D botanical name




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Plant Descriptions: Beginning with Letter D 

BOTANICAL NAME

HEIGHT

SPACING

COLOR

SEASON

LIGHT

HABIT

Dalea purpurea PURPLE PRAIRIE CLOVER This important prairie legume adds nitrogen naturally to the soil. Grows on most well drained soils preferring dry to medium moisture, in sand, loam or clay. Fine textured leaves and masses of tiny flowers that are dark purple (occasionally crimson or pink)

Dalea purpurea

1 - 3 ft.

12 in.

purple

summer

Su

spreader

Darmera peltata (Peltiphyllum peltatum) UMBRELLA PLANT Early spring flowers appear before the foliage, but their attractiveness lasts well after foliage begins to leaf out. Leafless hairy flower stalks of a healthy reddish color arise to 3ft. or more supporting a dome shaped flowerhead. These contain little flower stems with side shoots, all bearing a 1/2 in. white starlike flower quickly shading to pink with age resulting in a dense dome of pink. Later the foliage becomes impressively larger and taller. Dark green leaves 1 or 2 ft. in diameter have 6 to 10 or more sharply cut lobes. Water gathers in little ponds inside the leaf cup and leaves become a bright copper color in autumn. Clumps may reach 4 - 6 ft. wide. Grows best along shady streams, ponds or marshes where soil is cool, moist and fertile. A useful ground cover that holds soil from erosion. Steady moisture is required with increased sun.

Darmera peltata

2 - 4 ft.

2 - 3 ft.

white into pink

e. spring

pSh

clump

Delphinium LARKSPUR These plants need rich, evenly moist, loamy humus, alkaline to slightly acid and respond to additional feeding during the growing season. Planting areas should have sharp drainage and protection from wind. Tall types need to be staked. Leaves are green, palmately lobed and large. Traditionally in great demand in perennial gardens for colorful and profusely blooming spikes and considered worth special care.

Delphinium 'Magic Fountain Dark Blue'

30 in.

15 - 21 in.

dark blue

e. summer

Su

clump

Delphinium 'Blue Bird'

3 - 6 ft.

18 - 24 in.

slear blue

e. summer

Su

clump

Delphinium elatum 'Royal Aspirations'

6 - 7 ft

3 ft.

blues/purples

summer

Su

clump

Dianthus PINKS Charming garden plants for edging borders and walks, or a ground cover for small areas. Adaptive to a wide range of soils as long as it drains well, preferring gritty, limy soils in the pH range of 7.0 - 8.0. Leaves are small or grassy, numerous and vary according to kind in shades of greens, silver and gray. Often fragrant, many cultivars are in circulation. D. 'Frosty Fire' has blue gray foliage in a tuft, hovered-over by double flowers. D. 'Little Bobby' has compact bluish green foliage that holds up well and bicolor single flowers. D. g. 'Bath's Pink' forms a solid carpet of foliage rather quickly that remains in good condition all season. A brilliant flower show covers the foliage. Dead-head spent flowers after blooming, cutting into the foliage a bit. D. g. 'Spotti' has flowers with intricate bicolor designs that just look more and more beautiful the closer you look. D. 'Tiny Rubies' has 1/2 in. double flowers over a short mound of gray green evergreen foliage. D. g. 'Pixie' is a vigorously growing new bicolor with flowers like D. g. 'Spotti' but with an added long bloom season. D. g. 'Sarah' another new one, has carnation type double bicolor flowers over neat mounds of grey green foliage, and a long bloom season. D. g. 'Bewitched' also long blooming, has light pink fragrant flowers with a magenta ring over silvery green foliage. A selected sport of Dianthus 'Firewitch'.

Dianthus 'Pixie Star'

8 in.

12 in.

bright pink

april-oct

Su

clump

Dianthus allwoodii (x) 'Doris'

10 - 18 in.

12 - 15 in.

salmon / red eye

l. spring

Su

carpet

Dianthus allwoodii (x) 'Frosty Fire'

6 in.

12 in.

red

l. spring

Su

carpet

Dianthus allwoodii (x) 'Helen'

12 in.

12 in.

deep salmon

l. spring

Su

carpet

Dianthus allwoodii (x) 'Little Bobby'

6 in.

12 - 18 in.

rasp.red / dk. eye

l. spring

Su

carpet

Dianthus deltoides 'Zing Rose'

6 in.

12 - 18 in.

br. rose red

l. spr. - sum.

Su

carpet

Dianthus gratianopolitanus 'Bath's Pink'

6 - 8 in.

12 in.

soft pink

l. spring

Su

carpet

Dianthus gratianopolitanus 'Bewitched'

8 - 12 in.

12 in.

pink/ magenta

l.spring

Su

carpet

Dianthus gratianopolitanus 'Firewitch'

 

 

 

 

 

 

Dianthus gratianopolitanus 'Pixie'

7 in.

12 in.

pink w/drk pink

l.spr. - fall

Su

carpet

Dianthus gratianopolitanus 'Sarah'

6 in.

12 in.

lt. pink ruby red

l.spr. - sum

Su

carpet

Dianthus gratianopolitanus 'Spotti'

12 in.

12 in.

rose red

l. spring

Su

carpet

Dianthus gratianopolitanus 'Tiny Rubies'

4 in.

12 in.

deep pink

l. spring

Su

carpet

Dicentra spectabilis BLEEDING HEART Grow well in fertile, light but moist woodland soil, in the cooler side of the garden. Excellent companions for ferns and other woodland ornamentals. D. eximia and hybrids EVERBLOOMING BLEEDING HEARTS produce shades of green or blue green leaves, which have a deeply cut, ferny or divided form. D. formosa 'Luxuriant' has a bluish green color for its fernlike foliage, is everblooming, with dark pink, almost cherry red flowers, where D. formosa 'Bacchanal' is even redder. D. 'Aurora' has rather bluish green leaves. D. 'Zestful' seems to be one of the most adaptable and best growers of the everblooming types.

Dicentra eximia

12 - 15 in.

18 in.

pink

spr. - l. sum.

pSh

spreader

Dicentra eximia 'Alba'

9 - 18 in.

18 in.

milky white

spr. - l. sum.

pSh

spreader

Dicentra eximia 'Snowflakes'

12 - 15 in.

18 in.

white

l.spring

Su-pSh

spreader

Dicentra formosa 'Aurora'

12 in.

18 in.

white

spr. - autumn

pSh-Su

spreader

Dicentra formosa 'Bacchanal'

12 - 15 in.

18 in.

brick red

spr. - autumn

pSh-Su

spreader

Dicentra formosa 'Luxuriant'

15 in.

18 in.

deep pink

spr. - autumn

pSh-Su

spreader

Dicentra 'King of Hearts'

8 in.

12 - 18 in.

rosy pink

spr. - sum

pSh

spreader

Dicentra spectabilis

24 - 30 in.

2 - 3 ft.

pink

spring

pSh

clump

Dicentra spectabilis 'Alba'

24 in.

2 - 3 ft.

white

spring

pSh

clump

Dicentra 'Zestful'

12 - 18 in.

21 in.

pink

spr. - autumn

pSh-Su

spreader

Dictamnus albus GAS PLANT Very long lived plant once established, preferring fertile well drained soil and climates with cool nights to perform well. Two-year-old plants that are planted will need another few years to reach their peak. The finely serrated and slightly glossy leaves have 9 – 11 leaflets and the self- supporting stems have a woody base. Bloom season is short but attractive seed pods follow. Dictamnus is slow and difficult to propagate and the growing plant resents disturbance. The leaves, seed pods and blooms exude an aromatic lemon scent that can be an irritant to some people. These lemon scented volatile oils can be ignited with a match at a particular point in the bloom cycle earning Dictamnus the common name Gas Plant.

Dictamnus albus

3 ft.

2 ft.

white

e.summer

Su

clump

Dictamnus albus 'Purpereus'

3 ft.

2 ft.

mauve/purple

e.summer

Su

clump

Digitalis FOXGLOVE Will grow well in any fertile soil that is not too wet or dry, and appreciate some humus added. D. purpurea and D. p. 'Alba' are biennial, where D. 'Mertonensis' is fairly perennial, and D. grandiflora (D. ambigua) is a sound perennial. The leaf on D. grandiflora is green, large, oval and lance shaped. Others are green, long stalked, large and somewhat downy. All are noted for an incredible display along tall spikes filled with a crowd of flowers.

Digitalis grandiflora (D. ambigua)

2 - 2.5 ft.

12 - 18 in.

creamy yellow

l. spr. - sum.

Su-pSh

clump

Digitalis 'Mertonensis'

2 - 3 ft.

18 in.

coppery rose

l. spr. - sum.

pSh-Su

clump

Digitalis purpurea 'Alba'

4 - 5 ft.

18 in.

white

l. spring

pSh

clump

Digitalis purpurea 'Excelsior'

4 - 5 ft.

18 in.

mixed

l. spring

pSh

clump

Digitalis purpurea 'Foxy'

30 in.

18 in.

mix/speckled

e. summer

Su-pSh

clump

Digitalis purpurea 'Pam's Choice'

3 - 4 ft.

21 in.

white/maroon speckled

e. summer

Su

clump

Disporopsis pernyi ‘Bill Baker Form’ EVERGREEN SOLOMON'S SEAL A genus closely allied to Polygonatum, D. pernyi is a slow spreading evergreen perennial with rich, glossy green, lance shaped leaves.  Hanging white bell shaped flowers are borne in spring.  Disporopsis is a great perennial for the discerning woodland gardener.  Indigenous to moist well drained, humus-rich soils in the upland forests of S.E. China.

Disporopsis pernyi 'Bill Baker Form'

12 in.

12 in.

white

e. spring

psh-Sh

slow spreader

Disporum sessile ‘Variegatum’ FAIRY BELLS An eloquent easy to grow perennial well suited to the woodland garden.  Leaves are green and white striped similar in appearance to Polygonatum f. ‘Variegatum’. Pendant creamy white flowers are borne in spring giving rise to berries in summer.  Plants are slow to spread but once established can pop up several feet from the original clump.  Native to cool, moist wooded areas of Japan.

Disporum sessile 'Variegatum'

18 in.

12 in.

white w/green

l.spring -sum.

pSh

spreader

Doronicum orientale 'Magnificum' LEOPARD'S BANE Thrives in any fertile soil. Mulch to keep their shallow roots cool and moist. Leaves are green, hairy and oval elliptic. Magnificent flower, abundant and long lasting, and already in bloom while other perennials are still emerging in the spring.

Doronicum orientale 'Magnificum'

2 ft.

12 - 18 in.

yellow

e. spring

Su-pSh

clump

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