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Purple Cosmos Flower


Purple Cosmos Flower

Cosmos


A genus of annuals and perennials that belongs to the daisy (Asteraceae) family found from southern USA to northern South America. The genus consists of the 26 species and only 1 perennial and 2 annual are commonly cultivated. The annuals have fine ferny leaves and large flower heads that flower throughout warmer months, and in frost-free areas this period may continue into early winter. The perennials differ, they have smaller and broader leaflets, sometimes scented flowers that hint at the relationship between Cosmos and Dahlia. They are named so because of they are so showy and colorful and the name is derived from the Greek cosmos, meaning "beautiful."


Top Tip

Cosmos love bad
conditions. For best
results, don't give
them any shade,
don't over-fertilize
the soil, and don't
water them unless
they are wilting.

Cultivation


Cosmos requires warm sunny position with light, moist, well-drained soil. The larger annuals produce an abundance of growth, their top becomes too heavy if they are over fed and a slight wind can easily damage them. They need to be staked, and their deadheads have to be frequently cut off. Perennials are usually propagated from small basal cuttings and annuals are raised from seed, and.


Name

Flower color

Blooming Season

Flower Fragrance

Plant Height

Plant Width

Hardiness Zone

Frost Tolerance

Cosmos
Atrosanguineus

Dark maroon

Mid-summer to autumn

Yes

12-24 in
30-60 cm

18-40 in
45-100 cm

8-10

Yes

Cosmos bipinnatus

Pink, red, purple, white

Summer to autumn

No

4-7ft
1.2-2 m

2-4ft
0.6-1.2 m

8-11

No

Cosmos bipinnatus ‘Picotee’

White to pale pink

Summer to autumn

No

30 in
75 cm

18 in
45 cm

8-11

No

Cosmos bipinnatus, Sensation series

Pink, white

Summer to autumn

No

36 in
90 cm

18 in
45 cm

8-11

No

Cosmos bipinnatus, Sonata

Crimson, pink, white

Summer to autumn

No

18-36 in
45-90 cm

12-18 in
30-45 cm

8-11

No

Cosmos sulphureus

Yellow to red

Summer

No

4-7ft
1.2-2 m

2-4ft
0.6-1.2 m

8-11

No