Plant recommender
Find plants that fill one specific gap — a month, a space, a kind of forage, or a particular bee — with the reason each one matched.
All 296 plants
In catalogue order. Nothing is ranked — a plant with moderate nectar in February beats one with very high nectar in June, and no single ordering can say that.
- LavenderLavandula angustifoliaJune to August · nectar very high · pollen moderate
- RosemarySalvia rosmarinusFebruary to May · nectar very high · pollen moderate
- ThymeThymusMay to August · nectar very high · pollen moderate
- White cloverTrifolium repensMay to September · nectar very high · pollen high
- SunflowerHelianthus annuusJuly to September · nectar high · pollen very high
- AppleMalus domesticaApril to May · nectar high · pollen high
- CherryPrunus aviumMarch to May · nectar high · pollen high
- HawthornCrataegus monogynaMay to June · nectar high · pollen high
- BrambleRubus fruticosusJune to September · nectar very high · pollen highCheck your region
- IvyHedera helixSeptember to November · nectar very high · pollen very highCheck your region
- HeatherCalluna vulgarisAugust to September · nectar very high · pollen high
- FoxgloveDigitalis purpureaJune to July · nectar high · pollen moderate
- MahoniaMahonia × mediaNovember to February · nectar high · pollen high
- Wildflower meadowMixed native floraApril to September · nectar very high · pollen very high
- MānukaLeptospermum scopariumNovember to January · nectar high · pollen moderateCheck your region
- Sweet chestnutCastanea sativaJune to July · nectar high · pollen very high
- LimeTilia cordataJune to July · nectar very high · pollen moderate
- EucalyptusEucalyptusJanuary to December · nectar very high · pollen highCheck your region
- Strawberry treeArbutus unedoOctober to December · nectar high · pollen moderate
- SidrZiziphus spina-christiOctober to December · nectar very high · pollen moderate
- Ogeechee tupeloNyssa ogecheApril to May · nectar very high · pollen moderate
- SourwoodOxydendrum arboreumJune to August · nectar very high · pollen low
- Oilseed rapeBrassica napusApril to June · nectar very high · pollen very high
- BuckwheatFagopyrum esculentumJuly to September · nectar high · pollen moderate
- AlfalfaMedicago sativaJune to September · nectar high · pollen high
- BorageBorago officinalisJune to September · nectar very high · pollen high
- BlueberryVaccinium corymbosumApril to June · nectar high · pollen moderate
- PhaceliaPhacelia tanacetifoliaJune to October · nectar very high · pollen very high
- DandelionTaraxacum officinaleMarch to October · nectar high · pollen very high
- Rosebay willowherbChamaenerion angustifoliumJune to September · nectar very high · pollen high
- Goat willowSalix capreaFebruary to April · nectar high · pollen very high
- SnowdropGalanthus nivalisJanuary to March · nectar low · pollen moderate
- Winter honeysuckleLonicera fragrantissimaDecember to March · nectar moderate · pollen moderate
- Viper's buglossEchium vulgareJune to September · nectar very high · pollen highCheck your region
- Michaelmas daisySymphyotrichum novi-belgiiAugust to October · nectar high · pollen high
- SageSalviaMay to October · nectar very high · pollen moderate
- MintMenthaJuly to September · nectar high · pollen moderate
- MarjoramOriganum vulgareJuly to September · nectar very high · pollen high
- CatmintNepetaMay to October · nectar very high · pollen moderate
- ComfreySymphytum officinaleMay to September · nectar very high · pollen moderate
- BuddleiaBuddleja davidiiJuly to September · nectar high · pollen lowCheck your region
- VerbenaVerbena bonariensisJune to November · nectar high · pollen moderate
- CosmosCosmos bipinnatusJuly to October · nectar high · pollen high
- CalendulaCalendula officinalisMay to December · nectar moderate · pollen high
- HoneysuckleLonicera periclymenumJune to September · nectar high · pollen lowCheck your region
- CrocusCrocusJanuary to April · nectar moderate · pollen very high
- RaspberryRubus idaeusMay to August · nectar very high · pollen high
- GoldenrodSolidagoAugust to October · nectar very high · pollen very highCheck your region
- Red cloverTrifolium pratenseMay to September · nectar very high · pollen high
- Bird's-foot trefoilLotus corniculatusMay to September · nectar high · pollen high
- KnapweedCentaurea nigraJune to September · nectar very high · pollen highCheck your region
- Field scabiousKnautia arvensisJuly to September · nectar very high · pollen high
- TeaselDipsacus fullonumJuly to August · nectar high · pollen moderateCheck your region
- YarrowAchillea millefoliumJune to October · nectar moderate · pollen high
- CornflowerCentaurea cyanusJune to September · nectar high · pollen moderate
- Common poppyPapaver rhoeasMay to August · nectar none · pollen very high
- BlackthornPrunus spinosaMarch to April · nectar high · pollen high
- Crab appleMalus sylvestrisApril to May · nectar high · pollen very high
- RowanSorbus aucupariaMay to June · nectar moderate · pollen high
- CotoneasterCotoneasterMay to June · nectar very high · pollen highCheck your region
- PyracanthaPyracantha coccineaMay to June · nectar high · pollen high
- Horse chestnutAesculus hippocastanumApril to May · nectar very high · pollen very high
- SycamoreAcer pseudoplatanusApril to May · nectar very high · pollen highCheck your region
- HelleboreHelleborusDecember to April · nectar moderate · pollen high
- Winter aconiteEranthis hyemalisJanuary to March · nectar moderate · pollen high
- SedumHylotelephium spectabileAugust to October · nectar high · pollen moderate
- Hardy geraniumGeraniumMay to October · nectar high · pollen high
- EchinaceaEchinacea purpureaJuly to September · nectar high · pollen high
- AlliumAlliumApril to August · nectar high · pollen high
- AsphodelAsphodelus ramosusMarch to May · nectar very high · pollen high
- RockroseCistus ladaniferApril to June · nectar high · pollen very high
- BilberryVaccinium myrtillusApril to June · nectar high · pollen moderate
- CarobCeratonia siliquaSeptember to November · nectar high · pollen moderate
- AlmondPrunus dulcisFebruary to March · nectar very high · pollen very high
- LemonCitrus limonMarch to June · nectar very high · pollen moderate
- Sweet cloverMelilotus officinalisJune to August · nectar very high · pollen high
- VitexVitex negundoJune to July · nectar very high · pollen moderate
- Chinese milk vetchAstragalus sinicusMarch to May · nectar very high · pollen high
- JujubeZiziphus jujubaMay to July · nectar very high · pollen moderate
- QuillayQuillaja saponariaNovember to January · nectar high · pollen moderate
- BanksiaBanksiaMarch to August · nectar very high · pollen high
- ThistleGalactites tomentosaMay to July · nectar very high · pollen highCheck your region
- LungwortPulmonaria officinalisFebruary to May · nectar high · pollen moderate
- PrimrosePrimula vulgarisFebruary to May · nectar moderate · pollen moderate
- BluebellHyacinthoides non-scriptaApril to May · nectar high · pollen high
- Flowering currantRibes sanguineumMarch to April · nectar high · pollen moderate
- HazelCorylus avellanaJanuary to March · nectar none · pollen very high
- Dead-nettleLamiumJanuary to December · nectar high · pollen moderate
- Forget-me-notMyosotis sylvaticaApril to June · nectar moderate · pollen moderate
- CowslipPrimula verisApril to May · nectar moderate · pollen moderate
- Grape hyacinthMuscari armeniacumMarch to May · nectar high · pollen moderate
- HollyIlex aquifoliumMay to June · nectar high · pollen moderate
- ElderSambucus nigraMay to July · nectar low · pollen high
- Field mapleAcer campestreApril to May · nectar very high · pollen high
- GorseUlex europaeusJanuary to December · nectar none · pollen very highCheck your region
- Christmas boxSarcococca confusaDecember to March · nectar moderate · pollen moderate
- Winter viburnumViburnum × bodnantenseNovember to March · nectar moderate · pollen low
- Guelder roseViburnum opulusMay to July · nectar high · pollen moderate
- Lamb's earStachys byzantinaJune to August · nectar high · pollen moderate
- BetonyBetonica officinalisJune to September · nectar very high · pollen moderate
- AgastacheAgastache foeniculumJuly to October · nectar very high · pollen high
- BergamotMonarda didymaJuly to September · nectar high · pollen moderate
- HyssopHyssopus officinalisJune to September · nectar very high · pollen moderate
- Globe thistleEchinops ritroJuly to September · nectar very high · pollen high
- Sea hollyEryngiumJuly to September · nectar very high · pollen high
- MeadowsweetFilipendula ulmariaJune to September · nectar low · pollen high
- Purple loosestrifeLythrum salicariaJune to September · nectar very high · pollen highCheck your region
- Oxeye daisyLeucanthemum vulgareMay to September · nectar moderate · pollen highCheck your region
- Wild carrotDaucus carotaJune to September · nectar moderate · pollen high
- FennelFoeniculum vulgareJuly to September · nectar high · pollen highCheck your region
- Tufted vetchVicia craccaJune to August · nectar very high · pollen highCheck your region
- ChicoryCichorium intybusJuly to October · nectar high · pollen high
- RudbeckiaRudbeckia fulgidaAugust to October · nectar high · pollen high
- HeleniumHelenium autumnaleJuly to October · nectar high · pollen high
- Japanese anemoneAnemone × hybridaAugust to October · nectar moderate · pollen high
- DahliaDahliaJuly to November · nectar high · pollen high
- BroomCytisus scopariusApril to June · nectar none · pollen very highCheck your region
- Witch hazelHamamelis × intermediaDecember to March · nectar moderate · pollen moderate
- Alder buckthornFrangula alnusMay to July · nectar very high · pollen moderate
- WallflowerErysimumMarch to November · nectar high · pollen moderate
- HebeHebeJune to October · nectar high · pollen high
- Black locustRobinia pseudoacaciaMay to June · nectar very high · pollen moderateCheck your region
- SainfoinOnobrychis viciifoliaMay to July · nectar very high · pollen high
- Tulip treeLiriodendron tulipiferaMay to June · nectar very high · pollen moderate
- MesquiteProsopisApril to August · nectar high · pollen highCheck your region
- Black sageSalvia melliferaApril to June · nectar very high · pollen moderate
- Sweet orangeCitrus sinensisMarch to May · nectar very high · pollen moderate
- AvocadoPersea americanaFebruary to May · nectar high · pollen high
- MacadamiaMacadamia integrifoliaAugust to October · nectar high · pollen high
- CoffeeCoffea arabicaMarch to May · nectar high · pollen moderate
- CottonGossypium hirsutumJune to September · nectar high · pollen high
- KanukaKunzea ericoidesNovember to February · nectar very high · pollen high
- RewarewaKnightia excelsaOctober to December · nectar very high · pollen moderate
- PohutukawaMetrosideros excelsaNovember to January · nectar very high · pollen high
- JarrahEucalyptus marginataSeptember to January · nectar very high · pollen high
- LeatherwoodEucryphia lucidaJanuary to March · nectar very high · pollen high
- Silver firAbies albaJune to September · nectar none · pollen low
- Norway sprucePicea abiesJune to September · nectar none · pollen low
- Scots pinePinus sylvestrisJuly to November · nectar none · pollen moderate
- English oakQuercus roburApril to May · nectar none · pollen low
- Yellow starthistleCentaurea solstitialisJune to September · nectar very high · pollen moderateCheck your region
- CranberryVaccinium macrocarponJune to July · nectar moderate · pollen moderate
- GallberryIlex glabraMay to June · nectar very high · pollen moderate
- Saw palmettoSerenoa repensApril to June · nectar very high · pollen high
- Cabbage palmSabal palmettoJune to August · nectar high · pollen high
- HarebellCampanula rotundifoliaJuly to September · nectar moderate · pollen high
- Red bartsiaOdontites vernusJuly to September · nectar moderate · pollen moderate
- Yellow rattleRhinanthus minorMay to August · nectar moderate · pollen moderate
- CatsearHypochaeris radicataJune to September · nectar moderate · pollen high
- Small scabiousScabiosa columbariaJune to October · nectar high · pollen high
- Devil's-bit scabiousSuccisa pratensisJuly to October · nectar very high · pollen high
- Sea asterTripolium pannonicumJuly to October · nectar high · pollen high
- White bryonyBryonia dioicaMay to September · nectar moderate · pollen high
- Himalayan balsamImpatiens glanduliferaJuly to October · nectar very high · pollen very highCheck your region
- Japanese knotweedReynoutria japonicaAugust to October · nectar very high · pollen moderateCheck your region
- HogweedHeracleum sphondyliumJune to September · nectar high · pollen high
- SelfhealPrunella vulgarisJune to September · nectar high · pollen moderate
- Common ragwortJacobaea vulgarisJune to October · nectar high · pollen highCheck your region
- ColtsfootTussilago farfaraFebruary to April · nectar moderate · pollen high
- Lemon balmMelissa officinalisJune to September · nectar high · pollen moderate
- Bee bee treeTetradium danielliiJuly to September · nectar very high · pollen high
- Japanese pagoda treeStyphnolobium japonicumJuly to September · nectar high · pollen moderate
- Field beanVicia fabaMay to July · nectar high · pollen high
- Squash and pumpkinCucurbita pepoJune to September · nectar high · pollen very high
- PearPyrus communisMarch to May · nectar low · pollen high
- PlumPrunus domesticaMarch to April · nectar moderate · pollen high
- Bell heatherErica cinereaJune to September · nectar high · pollen moderate
- Black mangroveAvicennia germinansJune to August · nectar high · pollen moderate
- Brazilian pepperSchinus terebinthifoliaSeptember to November · nectar high · pollen moderateCheck your region
- Chinese tallowTriadica sebiferaApril to June · nectar very high · pollen highCheck your region
- LogwoodHaematoxylum campechianumJanuary to April · nectar very high · pollen moderate
- MarmeleiroCrotonJune to September · nectar high · pollen high
- SnowberrySymphoricarpos albusJune to September · nectar high · pollen moderate
- American persimmonDiospyros virginianaMay to June · nectar high · pollen moderate
- Prickly boxBursaria spinosaDecember to February · nectar high · pollen high
- Southern beechFuscosporaJanuary to April · nectar none · pollen low
- BottlebrushMelaleuca citrinaOctober to January · nectar very high · pollen high
- GojiLycium barbarumJune to September · nectar high · pollen moderate
- LoquatEriobotrya japonicaNovember to February · nectar high · pollen high
- TeaCamellia sinensisOctober to December · nectar high · pollen high
- KaranjPongamia pinnataMarch to May · nectar high · pollen high
- ChiuriDiploknema butyraceaDecember to February · nectar high · pollen moderate
- SesameSesamum indicumJuly to October · nectar high · pollen high
- SheaVitellaria paradoxaJanuary to April · nectar high · pollen high
- BaobabAdansonia digitataOctober to December · nectar high · pollen high
- Resin spurgeEuphorbia resiniferaMarch to May · nectar high · pollen moderate
- ArganArgania spinosaApril to June · nectar high · pollen moderate
- MopaneColophospermum mopaneSeptember to December · nectar moderate · pollen moderate
- Bitter aloeAloe feroxJune to August · nectar very high · pollen high
- TamariskTamarixMay to August · nectar moderate · pollen moderateCheck your region
- CashewAnacardium occidentaleNovember to February · nectar high · pollen high
- MahuaMadhuca longifoliaMarch to April · nectar very high · pollen moderate
- NeemAzadirachta indicaMarch to May · nectar high · pollen moderate
- MangoMangifera indicaJanuary to April · nectar high · pollen high
- OsierSalix viminalisMarch to April · nectar moderate · pollen very high
- Bird cherryPrunus padusApril to May · nectar high · pollen high
- BlackcurrantRibes nigrumApril to May · nectar high · pollen moderate
- GooseberryRibes uva-crispaMarch to April · nectar high · pollen moderate
- QuinceCydonia oblongaMay to June · nectar high · pollen high
- MedlarMespilus germanicaMay to June · nectar high · pollen high
- ApricotPrunus armeniacaFebruary to April · nectar high · pollen high
- PeachPrunus persicaMarch to April · nectar high · pollen high
- Norway mapleAcer platanoidesApril to May · nectar high · pollen highCheck your region
- WhitebeamSorbus ariaMay to June · nectar high · pollen moderate
- DogwoodCornus sanguineaMay to July · nectar high · pollen moderate
- SpindleEuonymus europaeusMay to June · nectar moderate · pollen moderate
- BuckthornRhamnus catharticaMay to June · nectar moderate · pollen moderateCheck your region
- Wild privetLigustrum vulgareJune to July · nectar high · pollen moderate
- Dog roseRosa caninaJune to July · nectar none · pollen very high
- Winter-flowering cherryPrunus x subhirtellaNovember to March · nectar moderate · pollen moderate
- Winter clematisClematis cirrhosaNovember to March · nectar moderate · pollen moderate
- DaphneDaphneJanuary to April · nectar high · pollen moderate
- Hardy cyclamenCyclamen coumDecember to March · nectar moderate · pollen moderate
- Siberian squillScilla sibericaFebruary to April · nectar high · pollen high
- Grecian windflowerAnemone blandaMarch to April · nectar low · pollen high
- Lesser celandineFicaria vernaFebruary to May · nectar moderate · pollen highCheck your region
- BugleAjuga reptansApril to June · nectar high · pollen moderate
- HonestyLunaria annuaApril to June · nectar high · pollen moderate
- Sweet rocketHesperis matronalisMay to July · nectar high · pollen moderateCheck your region
- AubrietaAubrieta deltoideaMarch to May · nectar high · pollen high
- Wild garlicAllium ursinumApril to June · nectar high · pollen high
- ColumbineAquilegia vulgarisMay to June · nectar high · pollen moderate
- Hemp agrimonyEupatorium cannabinumJuly to September · nectar very high · pollen high
- Joe Pye weedEutrochium purpureumJuly to September · nectar very high · pollen high
- Culver's rootVeronicastrum virginicumJuly to September · nectar high · pollen high
- Blazing starLiatris spicataJuly to September · nectar very high · pollen high
- Woodland sageSalvia nemorosaJune to September · nectar very high · pollen moderate
- Lesser calamintClinopodium nepetaJuly to November · nectar very high · pollen moderate
- Russian sageSalvia yangiiJuly to October · nectar very high · pollen moderate
- BluebeardCaryopteris x clandonensisAugust to October · nectar very high · pollen moderate
- AbeliaLinnaea x grandifloraJuly to November · nectar high · pollen moderate
- EscalloniaEscallonia rubraJune to October · nectar high · pollen moderate
- Shrubby cinquefoilDasiphora fruticosaMay to October · nectar moderate · pollen high
- St John's wortHypericum perforatumJune to September · nectar none · pollen very highCheck your region
- Tree mallowMalva arboreaJune to October · nectar high · pollen very high
- HollyhockAlcea roseaJune to September · nectar high · pollen very high
- Poached egg plantLimnanthes douglasiiApril to July · nectar very high · pollen high
- California poppyEschscholzia californicaMay to September · nectar none · pollen very high
- Crimson cloverTrifolium incarnatumMay to July · nectar high · pollen high
- Fodder radishRaphanus sativusAugust to November · nectar high · pollen high
- ChivesAllium schoenoprasumMay to July · nectar high · pollen high
- Winter savorySatureja montanaJuly to September · nectar very high · pollen moderate
- CorianderCoriandrum sativumJune to August · nectar high · pollen high
- AngelicaAngelica archangelicaJune to August · nectar very high · pollen high
- Globe artichokeCynara cardunculusJuly to September · nectar very high · pollen high
- Common fleabanePulicaria dysentericaJuly to September · nectar high · pollen high
- ZinniaZinnia elegansJuly to October · nectar high · pollen high
- Mexican sunflowerTithonia rotundifoliaAugust to October · nectar very high · pollen high
- FatsiaFatsia japonicaOctober to November · nectar high · pollen high
- ElaeagnusElaeagnus x submacrophyllaOctober to November · nectar high · pollen moderate
- Seven-son flowerHeptacodium miconioidesSeptember to October · nectar high · pollen moderate
- AgapanthusAgapanthus praecoxJuly to September · nectar high · pollen moderate
- Giant catmintNepeta racemosaMay to October · nectar very high · pollen moderate
- Sea buckthornHippophae rhamnoidesMarch to May · nectar none · pollen highCheck your region
- Tree of heavenAilanthus altissimaJune to July · nectar very high · pollen moderateCheck your region
- Greek heathErica manipulifloraSeptember to December · nectar high · pollen moderate
- MotherwortLeonurus cardiacaJune to August · nectar very high · pollen moderate
- Holm oakQuercus ilexApril to May · nectar none · pollen moderate
- TulsiOcimum tenuiflorumSeptember to February · nectar high · pollen moderate
- AjwainTrachyspermum ammiJanuary to March · nectar high · pollen high
- MoringaMoringa oleiferaJanuary to December · nectar high · pollen moderate
- BabulVachellia niloticaAugust to November · nectar very high · pollen highCheck your region
- Talh acaciaVachellia seyalFebruary to April · nectar high · pollen high
- Oil-tea camelliaCamellia oleiferaOctober to December · nectar very high · pollen high
- DurianDurio zibethinusFebruary to April · nectar high · pollen high
- LycheeLitchi chinensisFebruary to April · nectar very high · pollen moderate
- RambutanNephelium lappaceumJanuary to March · nectar high · pollen moderate
- Coconut palmCocos nuciferaJanuary to December · nectar moderate · pollen high
- MangiumAcacia mangiumFebruary to May · nectar high · pollen moderateCheck your region
- TamarindTamarindus indicaApril to June · nectar high · pollen moderate
- Green cardamomElettaria cardamomumApril to July · nectar high · pollen moderate
- NiaouliMelaleuca quinquenerviaMarch to July · nectar very high · pollen highCheck your region
- Sweet thornVachellia karrooNovember to February · nectar very high · pollen highCheck your region
- Niger seedGuizotia abyssinicaSeptember to November · nectar very high · pollen high
- Oil palmElaeis guineensisJanuary to December · nectar low · pollen very high
- BushwillowCombretum speciesAugust to November · nectar high · pollen moderate
- SoybeanGlycine maxJuly to August · nectar moderate · pollen low
- Common milkweedAsclepias syriacaJune to August · nectar very high · pollen low
- Spanish needleBidens albaJanuary to December · nectar high · pollen highCheck your region
- ManzanitaArctostaphylos speciesDecember to March · nectar high · pollen moderate
- SafflowerCarthamus tinctoriusJune to August · nectar moderate · pollen high
- SumacRhus speciesJune to July · nectar high · pollen high
- Mountain mintPycnanthemum speciesJuly to September · nectar high · pollen moderate
- XtabentúnTurbina corymbosaNovember to January · nectar very high · pollen moderate
- TepezcohuiteMimosa tenuifloraNovember to February · nectar very high · pollen high
- AngicoAnadenanthera colubrinaSeptember to November · nectar high · pollen high
- MandacaruCereus jamacaruNovember to February · nectar moderate · pollen high
- TiacaCaldcluvia paniculataJanuary to March · nectar high · pollen moderate
- ChañarGeoffroea decorticansSeptember to November · nectar high · pollen moderate
- StringybarkEucalyptus macrorhyncha and related speciesDecember to March · nectar very high · pollen high
- PaperbarkMelaleuca speciesOctober to February · nectar very high · pollen high
- Yellow gumEucalyptus leucoxylonMay to September · nectar very high · pollen high
- Swamp mahoganyEucalyptus robustaMay to August · nectar very high · pollen high
- Five fingerPseudopanax arboreusMay to August · nectar high · pollen high
- TowaiWeinmannia silvicolaOctober to December · nectar high · pollen moderate
- WilgaGeijera parvifloraJune to October · nectar high · pollen moderate
Why nectar and pollen are asked separately
Nectar and pollen are rated separately throughout this catalogue because they are different resources doing different jobs. Nectar is carbohydrate for adult foragers; pollen is protein for brood, and pollen rather than nectar is usually what limits a colony in spring. A planting that supplies only nectar feeds the adults and starves the next generation.
Why it does not filter by region
This tool does not filter by region, because it has no way to know yours and the consequences of guessing wrong are real — ivy, buddleia, purple loosestrife, gorse, broom and several others are seriously invasive outside northwestern Europe. Matches carrying an invasiveness note are flagged, and the plant's own page states where the problem is.
Written up per region instead: Britain and Ireland, the United States, Australia, New Zealand, Mediterranean climates.
- Bee-plant relationships in the catalogue are the well-documented ones, not an exhaustive record of who visits what. Treat an empty bee filter result as a gap in the records rather than in nature.
- It cannot know your soil, and soil pH decides whether a good many of these plants will grow at all.
- It does not filter by region and will not guess one. Matches carrying an invasiveness note are flagged instead, because recommending ivy in Oregon or gorse in New Zealand would be actively harmful.
- Flowering windows are northern-hemisphere temperate and are a guide rather than a schedule — nectar secretion is far more weather-dependent than flowering is.