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Quick-blooming perennials

 

Most perennials spend their first year after sprouting just establishing themselves, building some roots and setting the stage for their mature performance. Many will bloom in their second year, although some herbaceous perennials, and even more of the woody ones, will wait even longer to display their flowers.

The list below is for impatient gardeners (aren't we all?) who like to get at least a preview of ultimate performance earlier. Each of the plants in the table below has bloomed for me in its first year of life. In most cases, the blooms are not nearly as abundant or large as they will be in years to follow.

Note that I start most of my perennials indoors, starting in early winter. Many of the plants listed would not bloom if started outdoors in spring, or if wintersown to sprout when temperatures warm up - at least not in our zone 6 garden. Some of the plants are show-offs that start blooming already under the growlights in my basement (no doubt because of the artificial 14-hour days that those lights provide). Others are tender perennials that are grown as annuals in our climate - they'd better bloom in their first year, or they'd be rather useless as ornamental flowering plants!

The list below is sorted in order of botanical name. Click on the plant's name to go to page for that plant. Plant portraits (where I have photos on the page) are indicated with the symbol.


Botanical name Common name Category FlowersSize
Achillea ptarmica 'The Pearl' perennial (Z3-9) white (summer)16"
Agastache cana giant hyssopperennial (Z5-9) rose-pink (June-Sept)2-3 ft
Agastache mearnsii San Luis Mountain giant hyssopperennial magenta (summer)24"
Agastache rupestris sunset hyssopperennial (Z5-8) soft orange (summer)3'
Allium flavum yellow onionperennial bulb yellow clusters (summer)12"
Allium humile perennial bulb white
Alyssum montanum creeping basket of goldperennial (Z2-9) yellow (spring)
Antirrhinum braun-blanquettii hardy snapdragonperennial yellow/white (late spring)18"
Asclepias tuberosa butterfly weedperennial (Z4-10) orange (summer)to 2 ft
Campanula rotundifolia Scotch harebellperennial (Z5-10) blue (spring-summer)6"
Capnoides sempervirens pink corydalis; rock harlequinperennial pink/yellow (summer)18"
Caryopteris x clandonensis bluebeard, blue mist spireashrub blue (Aug-Sep)4 ft
Centaurea stoebe ssp. stoebe spotted knapweedbiennial/perennial pinkto 4'
Chaenorhinum villosum perennial lilac or pale yellow (summer)6-8"
Chasmanthium latifolium sea oatsperennial grass golden tan3-4 ft
Coix lacryma-jobi Job's tearstender perennial
Corydalis cheilanthifolia fernleaf corydalisperennial (Z5-8) yellow (spring) 12" tall, 20" wide
Cyclamen persicum 'Laser Scarlet' mother's day cyclamentender perennial scarlet (late summer)12"
Dahlia 'Jazz' tender perennial deep pink-red (summer)2'
Datura angel's trumpetannual/tender perennial light purple (summer)18"
Delphinium x belladonna 'Volkerfrieden' perennial larkspurperennial (Z4-7) blue (summer)30-48"
Desmodium canadense showy tick trefoil pink
Dianthus amurensis 'Siberian Blues' Amur pinkperennial violet-blue (summer)6-12"
Dianthus deltoides maiden pinkperennial pink (spring)6"
Dianthus gratianopolitanus cheddar pinkperennial (Z3-8) rose (May-June)12"
Dianthus superbus 'Crimsonia' fringed pinkperennial (Z3-8) pink-red24"
Dicentra macrocapnos yellow bleeding heart vineperennial yellow (summer)vines to 20'
Eragrostis curvula weeping lovegrassperennial (Z7-9) 2-4' in bloom
Eupatorium maculatum 'Purple bush' spotted Joe-Pye weedperennial (Z4-8) purple (mid-late summer)2-4'
Gaillardia grandiflora blanketflowerperennial warm colors, summer2-3'
Galega officinalis goat's rueperennial white3 ft
Gaura lindheimeri perennial (Z5-10) pink (summer)3'
Geranium asphodeloides cranesbillperennial small darker-veined pink10"
Geranium bohemicum perennial blue (summer)12-18"
Geranium pyrenaicum hedgerow cranesbillperennial (Z5-10) purple or white (spring-fall)6"
Geranium wallichianum 'Buxtons Blue' cranesbillperennial blue, summer into fall1 ft
Glandularia canadensis 'Perfecta' rose vervainperennial deep violet
Hackelia floribunda manyflower stickseedbiennial/perennial blue (May)12"
Haloragis erecta 'Wellington Bronze' erect seaberrytender perennial insignificant18"
Hibiscus coccineus scarlet rose mallowperennial (Z6-9) purple-red (summer)3-6'
Hieracium maculatum spotted hawkweedperennial (Z5-9) yellow (summer)12"
Hyssopus officinalis hyssopperennial lavender-pink (summer)24"
Laurentia axillaris blue star creeper? blue (summer)6"
Lavatera plebeia Australian hollyhock
Leibnitzia anandria Leibnitz daisyperennial white (late spring and early fall)1' tall, 6" wide
Linaria dalmatica broadleaf toadflaxperennial yellow3'
Linaria triornithophora three birds flyingperennial (Z7-9) purple/yellow (late spring-fall)18-30"
Lobelia x gerardi purple lobeliaperennial purple, red (summer)3'
Lupinus luteus European yellow lupineannual yellow (summer)2'
Lychnis x arkwrightii 'Vesuvius' Arkwright's campionperennial/biennial (Z3-10) orange-red (summer)24"
Lysimachia minoricensis perennial? white (late summer)12"
Ocimum basilicum 'Osmin' basiltender perennial purplish blue (summer)18"
Oenothera acaulis evening primroseperennial (Z5-8) white (summer)6" tall x 8" wide
Oenothera kunthiana evening primroseperennial (Z6-10) white/pink (summer)18-24"
Oenothera macrosceles evening primrose yellowsprawler
Oxalis stricta yellow wood sorrelperennial yellow (spring-summer)18"
Papaver amurense poppyperennial (Z5-9) white/yellow (late spring)18-24"
Papaver miyabeanum Japanese poppyperennial (Z2-8) yellow (summer)6"
Pardancanda norrisii candy lilyperennial (Z5-10) orange3'
Penstemon triflorus scarlet penstemon; Heller's beardtongueperennial dark pink20"
Phacelia bolanderi blue-flowered grape-leaftender perennial (Z7-10) blue (summer)6" tall x 3' wide
Pinellia pedatisecta green dragonperennial orange spathe (late summer)15"
Polemonium brandegeei Jacob's ladderperennial (Z4-8) yellow8"
Primula capitata v. mooreana perennial (Z5) blue8-12"
Primula saxatilis primroseperennial purple (April-May)8"
Ratibida columnifera prairie coneflower; Mexican hatperennial (Z3-10) yellow (summer)24-32"
Ratibida pinnata drooping or grey-head prairie coneflowerperennial (Z3-8) yellow (summer into fall)3-5'
Rudbeckia hirta 'Rustic Colors' black-eyed susanperennial (Z3-10) yellow-orange-burgundy2'
Ruellia humilis hairy wild petuniaperennial (Z4-8) lavender (summer)18-24"
Salvia forskaohlei Indigo sageperennial (Z6-9) violet/white (summer)2' by 2'
Salvia regeliana hardy ornamental sageperennial mauve/purple2-3'
Salvia roemeriana cedar sagetender perennial (Z7-10) red (summer-fall)12"
Scutellaria baicalensis Chinese skullcapperennial blue (summer)8"
Scutellaria woronowii skullcapperennial blue (early summer)18"
Sida elliottii Elliott's fanpetalsperennial? orange-yellow (summer)18"
Silene maritima catchflyperennial (Z2) white (spring-summer)6" tall x 20" wide
Silybum marianum Mary's thistle, milk thistlebiennial see belowfoliage to 12", flowers to 24"
Solenostemon scutellarioides 'Palisandra' coleustender perennial blue (summer)2'
Tanacetum parthenium 'Aureum' golden feverfewperennial yellow/white1 ft
Tinantia erecta widow's tearstender perennial magenta (summer)36"
Trichostema dichotomum blue curlsperennial blue (summer-fall)24-36"
Verbascum chaixii 'Album' nettle-leaved mulleinperennial (Z5-8) white/mauve3 ft
Verbascum nigrum dark mulleinperennial (Z3-8) yellow (early summer)3'
Verbesina alternifolia wingstemperennial yellow (Sep-Oct)to 12'
Veronica longifolia 'Blauriesin' long-leaf speedwellperennial (Z4-8) blue spikes (summer)3-4'
Viola perennial violetperennial blue/yellow (spring and fall)4-8"
Vitex negundo chastetreeshrub (Z6-10) blue (summer)see comments

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Last modified: November 24, 2006
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