Photo by Melody

PlantFiles: Drumsticks, Rose Cone Flower
Isopogon formosus

Family: Proteaceae (pro-tee-AY-see-ee) (Info)
Genus: Isopogon (eye-soh-POH-gon) (Info)
Species: formosus (for-MOH-sus) (Info)

2 members have or want this plant for trade.

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4-6 ft. (1.2-1.8 m)

4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)

USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Full Sun

Unknown - Tell us

Bloom Color:
Magenta (Pink-Purple)

Bloom Time:
Late Winter/Early Spring
Mid Spring


Other details:
Drought-tolerant; suitable for xeriscaping
Flowers are good for cutting

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
From woody stem cuttings

Seed Collecting:
Unknown - Tell us

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There are a total of 23 photos.
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1 positive
1 neutral
No negatives

Gardeners' Notes:

Positive Susi_So_Callif On Jul 30, 2014, Susi_So_Callif from Vista, CA (Zone 10a) wrote:

Very attractive unusual flowers appear in spring, and the central cones remain on the plant for a year or more. Very low water in coastal So. California, and pretty much maintenance free, too.

Neutral macybee On Nov 15, 2007, macybee from Deer Park, TX (Zone 9a) wrote:

Botanica Encyclopedia
ISOPOGON - Drumsticks
With around 30 species of evergreen shrubs from Australia, this genus is admired for its attractive light green foliage which, though frequently dissected and ferny in apppearance, is hard and prickly - like that of many Australian shrubs - and their globular heads of fragrant white, cream or pink flowers borne in spring or summer. Plants of quiet charm, they are somewhat overshadowed by their more spectacular relatives the grevilleas and banksias, and even in their native land are not widely grown. The flowers are followed by woody, knob-like fruiting heads resembling small pine cones or drumsticks - hence the common name. These may persist on the bare, straight stems after both flowers and leaves have died.
Marginally frost hardy, they need a sunny spot and well-drained soil, and a dry-summer climate. Water freely during dry periods. Propagate from ripe seed in winter or from cuttings in late summer and fall.
Native to southern parts of Western Australia, this is quite a variable species. It usually makes a bushy shrub up to 5' in height and spread. Its dark green, much-divided foliage is stiff and prickly. The heads of dainty rose-pink flowers are about 2" across and usually borne in spring.
ZONES: 9-11


This plant has been said to grow in the following regions:

Boulder Creek, California
Carlsbad, California
Dublin, California
San Leandro, California
Vista, California

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