I like lists...Right when the hot sticky days of summer start, and I feel less and less like engaging in the more strenuous gardening activities, collecting seed becomes a favored task. I like gathering seed of as many varieties as possible, to have a good selection both for my own winter seed-starting activities and for trading with fellow seedaholics. Of course, by early summer I've already missed some of the plants that set seed before that time - and with the sheer number of different plants in our garden, many plants get overlooked every year. That's where this project started - my own desire to have a schedule that shows when seeds ripen for the plants in my garden. For me to print out and carry around with me on those lazy hot days, armed with a supply of little jars and pruning shears. Since gardening is by now an activity I share with my online visitors, I'm putting the information in each of my plant portraits; on this page, you get them in chronological order. I started this a few years ago, and have been updated my records as I collect seed each year. Which means this page will get just a bit more useful every year... The exact timing of each variety's ripening of course depends on climate and gardening conditions - but hopefully the relative sequence of ripening is more or less the same, even if Southern gardeners will to adjust the dates forward and cold-climate gardeners will have to wait a bit longer. early MayAcer rubrum (red maple)Acer saccharinum (silver maple) early JuneAcer palmatum (Japanese maple)Anemone cruciata (windflower) Draba aizoides (whitlow-grass) Pulsatilla vulgaris (pasque flower) mid-JuneGeranium bohemicumSilene dioica (catchfly) Tragopogon porrifolius (purple salsify) late JuneAnemone baldensis (Mt. Baldo windrose)Anthyllis vulneraria coccinea (kidney vetch; woundwort) Aquilegia bertolonii (columbine) Aquilegia canadensis (wild red columbine) Centranthus ruber (Jupiter's beard) Dianthus myrtinervius (Albanian pinks) Erodium manescavii (heronsbill) Galega orientalis (oriental goat's rue) Geranium macrorrhizum (bigroot cranesbill) Geranium pyrenaicum (hedgerow cranesbill) Helleborus niger (Christmas rose) Helleborus x hybridus (lenten rose) Lewisia cotyledon (bitter-root) Papaver atlanticum 'Semiplenum' (poppy) Sedum ternatum (woodland stonecrop; wild stonecrop) Thermopsis montana (golden pea, golden banner) Tragopogon dubius (yellow goatsbeard; yellow salsify) Viola jooi extended period, starting late JuneGeranium x oxonianum 'Claridge Druce' (cranesbill)Viola labradorica (Labrador violet) early JulyAethionema grandiflorum (stonecress)Aquilegia ecalcarata (spurless columbine) Asperula orientalis (blue woodruff) Bupleurum griffithii 'Decor' (thorough-wax) Clarkia pulchella Cotula hispida Epilobium angustifolium (willow orchid) Geranium platyanthum (cranesbill) Geranium pratense (meadow cranesbill) Globularia meridionalis (globe daisy) Helleborus argutifolius (Corsican hellebore) Lesquerella alpina (alpine bladderpod) Lupinus hybrids (lupine) Luzula nivea (snowy wood rush) Melica altissima 'Atropurpurea' (Siberian melic grass) Papaver somniferum (bread poppy; opium poppy) Phacelia tanacetifolia (fiddleneck) Polemonium pauciflorum Polemonium pulcherrimum 'Blue master' (Jacob's ladder, Western sky pilot) Scutellaria altissima (tall skullcap) Sedum kamtschaticum (Kamtschat sedum) Sisyrinchium angustifolium (narrow-leaf blue-eyed grass) Tanacetum coccineum (painted daisy) Thalictrum aquilegiifolium (meadow rue) extended period, starting early JulyDigitalis thapsi (pink foxglove)Geranium psilostemon (cranesbill) Linaria reticulata 'Flamenco' (toadflax) mid-JulyAllium cristophii (star of Persia)Allium vineale 'Hair' Anemone cylindrica (thimbleweed) Aubrieta deltoidea (purple rock cress) Baptisia australis (false indigo) Carex muskingumensis 'Wachtposten' (palm sedge) Consolida ajacis (rocket larkspur) Delphinium delavayi Delphinium maackianum Dianthus giganteus Levisticum officinale (lovage) Linaria dalmatica (broadleaf toadflax) Linum lewisii (blue flax) Lychnis chalcedonica (Maltese cross) Penstemon venustus (shrubby penstemon) Phyteuma scheuchzeri (rampion) Salvia argentea (silver sage) Salvia pratensis Haematodes (meadow sage) Salvia regeliana (hardy ornamental sage) Scutellaria alpina (alpine skullcap) Scutellaria serrata (skullcap) Silene armeria (garden catchfly; none-so-pretty) Tellima grandiflora (fringe cups) Thelesperma burridgeanum extended period, starting mid-JulyCalendula officinalis (pot marigold)late JulyAchillea 'Schwellenberg' (yarrow)Cephalaria gigantea (golden scalehead) Impatiens glandulifera (policeman's helmet; Himalayan balsam) Lathyrus clymenum (Spanish vetchling) Lavatera cachemiriana (tree mallow) Lunaria annua (honesty; moneyplant) Nigella damascena (love in a mist) Penstemon smallii (Small's penstemon) Salvia jurisicii Sisymbrium luteum Trollius chinensis 'Golden Queen' (globeflower) Ursinia anethoides extended period, starting late JulyLathyrus latifolius (perennial sweet pea)early AugustAchillea filipendulina 'Cloth of Gold' (fern-leaf yarrow)Agrostemma githago (corn cockle) Alchemilla bulgarica (lady's mantle) Asclepias incarnata (swamp milkweed) Baptisia alba var. alba (white false indigo) Beta vulgaris Cicla Group 'Bright Lights' (swiss chard) Cosmos sulphureus (yellow cosmos) Dracocephalum ruyschiana (dragonhead) Eryngium agavifolium (agave-leaved sea holly) Lathyrus tingitanus (Tangier pea) Leibnitzia anandria (Leibnitz daisy) Lysimachia atropurpurea (burgundy gooseneck loosestrife) Myrrhis odorata (sweet cicely) Penstemon strictus (Rocky Mountain penstemon) Phlomis tuberosa (Jerusalem sage) Scabiosa stellata (starflower pincushions) Stachys sylvatica (hedge woundwort) mid-AugustAstrantia major (masterwort)Callirhoe bushii (Bush's poppy mallow) Campanula persicifolia (peach-leaf bellflower) Dianthus knappii Eryngium variifolium (Moroccan sea holly) Helichrysum bracteatum (strawflower) Legousia speculum-veneris (Venus' looking glass) Leonotis leonurus (lion's ear) Nigella hispanica 'African Bride' (Spanish love-in-a-mist) Primula veris 'Sunset shades' (English cowslip) Tanacetum parthenium 'Aureum' (golden feverfew) Thalictrum lucidum (shining meadow rue) extended period, starting mid-AugustDracocephalum moldavica (Moldavian dragonhead)late AugustAllium aflatunense (Persian onion)Asclepias curassavica (tropical milkweed; bloodflower) Baptisia alba (white false indigo) Callirhoe involucrata (poppy mallow; winecups) Campanula primulifolia (Spanish bellflower) Digitalis grandiflora (yellow foxglove) Elymus hystrix (bottlebrush grass) Kolkwitzia amabilis 'Pink Cloud' (beautybush) Lychnis coronaria (rose campion) Lysimachia minoricensis Melampodium paludosum 'Million Gold' (gold medallion flower; African zinnia) Penstemon triflorus (scarlet penstemon; Heller's beardtongue) Phlox divaricata (wild blue phlox) Sida elliottii (Elliott's fanpetals) Silphium perfoliatum (cup plant) Verbascum densiflorum (woolly mullein) early SeptemberAgastache mearnsii (San Luis Mountain giant hyssop)Cardiospermum halicacabum (balloon vine, love in a puff) Eryngium bourgatii (Pyrenees sea holly) Eryngium yuccifolium (rattlesnake master) Geranium wlassovianum (Wlassov's cranesbill) Penstemon x mexicali 'Red Rocks' (beardtongue) Senna marilandica (American senna) extended period, starting early SeptemberMirabilis jalapa (four o'clocks)mid-SeptemberDesmodium canadense (showy tick trefoil)Dianthus amurensis 'Siberian Blues' (Amur pink) Dipsacus fullonum (common teasel; Fuller's teasel) Geum ponticum (avens) Hibiscus moscheutos (hardy hibiscus; swamp rose-mallow) Lychnis x arkwrightii 'Vesuvius' (Arkwright's campion) Prunella laciniata (cutleaf self-heal) Thalictrum dasycarpum (purple meadow rue) extended period, starting mid-SeptemberClematis integrifolialate SeptemberAllium kermesinum (crimson leek; kamnik leek)Allium sphaerocephalon (drumstick allium) Amsonia tabernaemontana (blue stars) Asclepias tuberosa (butterfly weed) Astilboides tabularis Campanula latifolia var. macrantha (Bellflower) Carex grayi (Gray's sedge) Ceratotheca triloba (African foxglove) Coix lacryma-jobi (Job's tears) Dahlia 'Jazz' Dalea purpurea (purple prairie clover) Digitalis lutea (straw foxglove) Eryngium creticum (Crete eryngo; field eryngo) Gentiana dahurica (gentian) Gentiana septemfida (crested gentian) Gillenia trifoliata (bowman's root, indian physic) Hemerocallis middendorffii (Amur daylily) Iris domestica (blackberry lily) Iris sibirica (Siberian iris) Lavandula species (lavender) Peltoboykinia watanabei Penstemon cobaea (showy beard-tongue) Platycodon grandiflorus (balloonflower) Polemonium foliosissimum flavum (towering Jacob's ladder) Ratibida columnifera (prairie coneflower; Mexican hat) Ratibida pinnata (drooping or grey-head prairie coneflower) Sanguisorba hakusanensis (Korean burnet) Scutellaria baicalensis (Chinese skullcap) Scutellaria incana (downy skullcap) Sedum aizoon (stonecrop) Stachys densiflora 'Hummelo' (alpine betony) Stachys minor (little betony) Teucrium hyrcanicum (Caucasian germander) Tithonia rotundifolia (Mexican sunflower) Veronicastrum virginicum (culver's root) extended period, starting late SeptemberDicranostigma leptopodum (yellow poppy)early OctoberAllium cernuum (nodding onion)Allium humile Allium senescens (broadleaf chives) Allium tuberosum (garlic chives) Amsonia illustris (Ozark blue star; shining blue star) Arisaema triphyllum (jack in the pulpit) Chasmanthium latifolium (sea oats) Clematis serratifolia Cryptotaenia japonica 'Atropurpurea' (Japanese parsley) Desmanthus illinoensis (bundleflower; prairie mimosa) Dianthus japonicus Eupatorium maculatum 'Purple bush' (spotted Joe-Pye weed) Fibigia clypeata (Roman shields) Gentiana tibetica (Tibetan gentian) Hypericum androsaemum 'Albury Purple' (purple St John's wort) Hypericum frondosum 'Sunburst' (golden St John's wort) Ipomoea hederacea (ivy-leaf morning glory) Ipomoea sloteri (cardinal climber) Isodon excisus Liatris ligulistylis (meadow blazing star) Liatris spicata (blazing star; gayfeather) Mimulus alatus (monkeyflower) Nepeta subsessilis 'Sweet Dream' (catmint) Pennisetum orientale 'Karly Rose' (fountain grass) Perilla frutescens (shiso, beafsteak mint) Physocarpus opulifolius (ninebark) Polygonatum biflorum (Solomon's seal) Rudbeckia hirta (gloriosa daisy; black-eyed susan) Rudbeckia maxima (giant coneflower) Salvia glutinosa (Jupiter's distaff) Sporobolus heterolepis (prairie dropseed) Thalia dealbata (hardy water canna) Thymophylla tenuiloba (Dahlberg daisy) Tinantia erecta (widow's tears) Trichostema dichotomum (blue curls) Veronica longifolia 'Blauriesin' (long-leaf speedwell) Xanthisma texana (sleepy daisy) mid-OctoberAmaranthus tricolor (elephant head amaranth)Caryopteris divaricata (bluebeard) Chaenomeles 'Toyo Nishiki' (flowering quince) Codonopsis lanceolata (bonnet bellflower) Euphorbia marginata 'Summer Icicle' (snow on the mountain) Geranium wallichianum 'Buxtons Blue' (cranesbill) Hibiscus coccineus (scarlet rose mallow) Ipomoea coccinea (scarlet creeper; red morning glory) Proboscidea louisianica (ram's horn, unicorn plant, devil's claw) Pycnanthemum tenuifolium (slender mountain mint) Pycnanthemum virginianum (Virginia mountain mint) Rudbeckia triloba (brown-eyed susan) Salvia greggii 'Furman's Red' (autumn sage) Salvia roemeriana (cedar sage) Solanum virginianum (kantakari; Surrattense nightshade) Sorghastrum nutans (Indian grass) Styrax japonicus (Japanese snowbell) Syneilesis palmata (palmate umbrella plant) Talinum paniculatum (jewels of Opar) Thalictrum delavayi (Yunnan meadow rue) Thalictrum rochebrunianum (lavender mist meadow rue) Verbesina alternifolia (wingstem) Vernonia angustifolia (tall ironweed) Vitex negundo (chastetree) late OctoberAgastache scrophulariifolia (purple giant hyssop)Cornus amomum (silky dogwood) Cornus florida (flowering dogwood) Echinacea pallida (pale purple coneflower) Echinacea purpurea (purple coneflower) Echinacea tennesseensis (Tennessee coneflower) Eryngium leavenworthii (Leavenworth eryngo) Euphorbia corollata (flowering spurge; poison spurge) Heliopsis helianthoides (false sunflower) Heuchera villosa 'Autumn Bride' (hairy alum root) Hyssopus officinalis (hyssop) Indigofera heterantha (indigo shrub) Kitaibela vitifolia Knautia macedonica (burgundy pincushion) Koelreuteria paniculata (golden rain tree) Lespedeza thunbergii (bush clover) Penstemon canescens (gray beard-tongue) Solanum pyracanthos (porcupine tomato) Tricyrtis macropoda (pagoda toad lily) Tropaeolum majus (nasturtium) Viola sororia f. priceana (confederate violet) early NovemberAmsonia hubrichtii (narrow-leaf blue star)Calycanthus chinensis (Chinese sweetshrub) Capsicum annuum (ornamental peppers) Caryopteris x clandonensis (bluebeard, blue mist spirea) Lagerstroemia indica (crape myrtle) Persicaria virginiana 'Painter's palette' (painter's palette) Pycnanthemum incanum (hoary mountain mint; white horse-mint) Ruellia humilis (hairy wild petunia) Scilla scilloides (squill) Selinum wallichianum Solidago canadensis (Canada goldenrod) Symphyotrichum sp. Verbena bonariensis (purple-top vervain) Vernonia noveboracensis (New York ironweed) mid-NovemberCalamagrostis brachytricha (Korean feather grass)Daphne retusa Lilium formosanum (formosa lily) late NovemberIndigofera amblyantha (pinkflower indigo)
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Last modified:
June 08, 2008 |
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