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PlantFiles: Foxtail Lily
Eremurus robustus

Family: Liliaceae (lil-ee-AY-see-ee) (Info)
Genus: Eremurus (er-EE-mur-us) (Info)
Species: robustus (roh-BUS-tus) (Info)

One vendor has this plant for sale.

7 members have or want this plant for trade.


6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)

9-12 in. (22-30 cm)

USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)

Sun Exposure:
Full Sun

Unknown - Tell us

Bloom Color:
Pale Pink

Bloom Time:
Late Spring/Early Summer
Mid Summer


Other details:
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
7.6 to 7.8 (mildly alkaline)

Patent Information:

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

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Gardeners' Notes:

Neutral bluespiral On Jan 17, 2007, bluespiral from (Zone 7a) wrote:

Since this plant has a reputation for being tricky to grow and propagate by seed, am sharing research as a guide for those who would like to try. Opinions differ, so hopefully presenting a range of information will help in making informed decisions.


I. From Tom Cothier - Sow moist at 77-87*F for 4-5 weeks; Move to 35*F in darkness for 11-12 weeks. Slowly raise temperature and light levels."

II. From another site:

1) "Sow immediately [in equal parts of river sand, perlite and soilless seed-starting medium (Vermiculite might not work as well for a species needing excellent drainage, because it is said to hold more water for longer than Perlite)]. The viability of [this species] is short or [fresh seed may germinate best.] Stored seed [may require] temperature cycling [for germination]...";

2) "Use repeated cycles of 20*C [~70*F], then 4*C [~40*F] for 3 months each. Germination can be very prolonged.";

3) "This species needs special care as described."

4) "Grow seedling at cool temperature."

CULTIVATION: E. robustus is said to be a cold desert plant (Deno) native to Turkistan, hence its requirements for "...sunny position in a fertile, slightly alkaline (calcareous) soil with perfect drainage. Although [this plant is said to be hardy to zone 6a], the...roots must never become frozen, and in northern regions the dormant plants must have some protection against cold and excessive moisture during winter and early spring, when new growths appear...[Sow] in a warm greenhouse in spring." (Pizzetti and Cocker, Flowers Vol I)


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

Winnetka, Illinois
Missoula, Montana
Tangent, Oregon
American Fork, Utah
Leesburg, Virginia
Seattle, Washington
Vancouver, Washington

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