Purple Flowers

S = Sun, PS = Partial Shade

Plant Name
Quick Facts
Description
Hyacinth
Hyacinthus orientalis 'Peter Stuyvesant'
Dark purple flowers
Perennial (Z 5-9)
H 8"-12"
S, PS
Spring-flowering bulb, planted in fall, produces a thick, formal-looking spike densely packed w/ fragrant flowers. This variety is one of the darkest purple.
Lavender
Lavandin (Lavandula x intermedia) 'Provence'
Also try:
Lavandula stoechas 'Otto Quast'
Flowers lavender-blue
Perennial ( Z 6-9)
H 2'-3'
S
This hardy hybrid lavender is somewhat more rot-resistant in hot humid climates than English lavender.'Otto Quast', a
Spanish lavender is also more tolerant but less cold hardy (Z 7 -10)
Catmint
Nepeta faassenii 'Six Hills Giant'
Lavender flowers
Perennial ( Z 3-9)
H 2'-3'
S, PS
Vigorous, mounding plant w/ attractive foliage of small-toothed leaves and a profusion of flowers in spring and summer. Great for edging.
Bacopa
Sutera cordata 'Lavender Blue'
Lavender flowers change to soft white in summer
Tender perennial ( Z 9 -10) grown as annual
H 3"
S, PS
Compact plant w/ well-
branched, trailing stems offers continuous bloom esp. in mild climates. Great for containers and baskets.
Pincushion Flower
Scabiosa columbaria 'Butterfly Blue'
Lavender flowers
Perennial ( Z 4-8)
H 15"
S
Gray-green basal foliage and 2" round cushioned-shaped flowers bloom prolifically from spring to fall, slowing down only in hottest weather.
Tall Verbena, Verbena on a Stick
Verbena bonariensis
Lavender flowers
Perennial (Z 7-9)
H 3'-6'
S
Upright S. American native w/ tall, slender stems that end w/ numerous flower clusters that almost appear suspended in mid-air. Blooms all spring and summer.
Weeping Lantana
Lantana montevidensis
Lavender flowers
Perennial (Z 8-11)
H 6"-12"
S, PS
Spreading plant produces profusion of flower umbels summer through fall. Heat, wind, and drought-tolerant.
Dutch Iris
Iris, Dutch Hybrid 'Professor Blaauw'
Purple flowers w/ yellow accents
Perennial (Z 5-8)
H 18"-22"
S
Spring-flowering hybrid iris grows from a bulb and adds beauty to garden and vase. Adaptable and easy to grow in temperate regions.
Verbena
Verbena canadensis 'Homestead Purple'
Deep purple flowers
Perennial (Z 7-11)
H 6"-10"
S
Heat and drought-tolerant, early-flowering verbena w/ vigorous, spreading habit and a multitude of vibrant blooms. Needs excellent drainage.
Summer Snapdragon
Angelonia augustifolia 'Angelface(r) Blue'
Purple flowers
Annual
H 18"
S
Upright summer-long bloomer, w/ a bushy, branching habit, provides multiple spikes covered w/ small orchid-like blossoms. Heat and drought tolerant.
Petunia
Petunia hybrida
'Rambling Lavender',
'Rambling Lilac Glow',
Lavender flowers
Annual
H 10"-14"
S
Vigorous, trailing early-flowering petunia w/ 2"-3" blooms occurring from stem to crown of plant. 'Lilac Glo' has cream center and lavender edge.
Purple Heart
Tradescantia pallida
Dark purple foliage
Pink flowers
Perennial (Z 8-10)
H 12"-18"
S, PS
Drought-tolerant Yucatan native used as an accent plant or groundcover in beds and containers.
Cupflower
Nierembergia frutescens 'Purple Robe'
Dark violet-blue flowers
Annual
H 6"
S, PS
Numerous cup-shaped flowers produced all spring and summer on slender stems w/ linear 1" leaves. At its best as a container plant.
Violet Sage
Salvia superba 'May Night'
Also try:
Salvia x 'Indigo Spires',
Salvia leucantha (Mexican sage)
Violet-blue flowers
Perennial (Z 4-9)
H 18"
S
Compact, clump-forming hybrid w/ flowers densely arranged on numerous spikes in late spring and early summer. Performs best w/ good moisture and cool nights. For taller salvias that peak late summer/fall try 'Indigo Spires' and S. leucantha.(Z 7-10)
Beardtongue
Penstemon 'Sour Grapes'

Also try:
Penstemon smallii 'Violet Dusk'
Pale purple flowers w/ white throats.
Perennial (Z 7-9)
H 24"-30"
S, PS
Numerous penstemon species and hybrids exist. Basal evergreen leaves produce unbranched spikes w/ tiers of bell-shaped flowers in summer. 'Violet Dusk' hardy Z 6-8.
Aster
Aster novae-angliae 'Purple Dome'
Also try:
Aster 'Hella Lacy'
Aster novi-belgii 'Professor Kippenburg'
Purple flowers w/ yellow centers
Perennial (Z 4-8)
H 24"-30"
S
Compact growth habit makes 'Purple Dome' 1 of the best New England asters. For larger plant try 'Hella Lacy'. 'Prof. Kippenburg' has lavender flowers.
Spiderwort
Tradescantia x andersoniana 'Concord Grape'

Also try:
'Zwanenburg Blue'
Bluish-purple flowers
Perennial (Z 4-9)
H 15"-24"
S, PS
Improved cultivar of native plant has frosty blue grass-like foliage and many 1-inch flowers in early summer. Needs moisture and afternoon shade in hot climates.
Ladybells
Adenophora confusa
Purplish-blue flowers
Perennial (Z 3-8)
H 36"
S, PS
Drought-tolerant ladybells selection w/ fragrant, nodding, bell-shaped 1" flowers symmetrically arranged on many tall stems.
Wishbone Flower
Torenia fournieri hybrid
Dark purple flowers
Annual
H 6"-12"
S, PS
Vegetative hybrid w/ trailing habit and improved sun and heat tolerance provides beautiful color spring through fall.
'Vedrariensis' Lobelia
Lobelia x gerardii 'Vedrariensis'

Also try:
Lobelia erinus 'Crystal Palace'
Violet-blue flowers
Perennial (Z 7-10)
H 2"-4"
S, PS
Robust but short-lived perennial produces showy flower spikes in mid to late summer. Like other cardinal flower relatives, it needs moist soil .For spring bedding try compact, semi-trailing annual L. erinus .
Russian Sage
Perovskia atriplicifolia
Lavender flowers
Perennial ( Z 5-9)
H 3'-5'
S
Narrow dissected leaves, waxy stems, and panicles of long-blooming, tubular flowers make this a summer- long asset in the garden. Needs well-drained soil esp. in winter.
Purple Plectranthus
Plectranthus 'Mona Lavender'
Lavender flowers
Annual
H 2'-6'
S, PS
Shrubby, upright plant w/ aromatic leaves earns its keep in late summer when short days signal multiple flower spikes to bloom for several weeks.
Golden Dewdrop, Sky Flower
Durante erecta 'Sapphire Showers'
Dark lavender flowers w/ white stripe
Perennial (Z 8-11)
H 2'-4'
S
Shrubby evergreen blooms for weeks or months in summer and fall. Long arching stems hold multiple racemes of flowers. Where frosts are late, durante forms clusters of non-edible golden berries.
Outback Fanflower
Scaevola aemula 'New Wonder'
Purple flowers
Annual
H 1"
S
Hybrid of Australian native w/ oblong, fleshy 2" leaves and trailing stems. Solitary 1" fan-shaped flowers in leaf axils bloom all summer. Needs good drainage.
Stokes Aster
Stokesia laevis 'Blue Danube'
Also try:
'Klaus Jelitto',
'Peachie's Pick'
Lavender-blue flowers
Perennial ( Z 5-9)
H 12"-18"
S, PS
Native plant hybrid w/ neat mounds of foliage and 3"-4" cornflower-like blooms appearing in early to mid summer. Needs good winter drainage.
Monkshood
Aconitum cammarum
'Bressingham Spire'
Violet-blue flowers
Perennial (Z 4-8)
H 36"
S, SH
This variety has deeply-cut leaves, stocky habit, and helmet-shaped flowers on dense racemes. Enjoys fertile, slightly acidic soil. All plant parts poisonous.
Nemesia
Nemesia x hybrida 'Blue Bird'
Violet-blue flowers
Annual
H 10"-12"
S, PS
Cultivar of S. African native w/ spatula-like leaves and 1/2 to 1-inch fragrant flowers that bloom in clusters. Prefers moist soil and cooler temperatures.
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