Celstial Lily, Celestial Ghost Iris, Prairie Celestial

Nemastylisgeminiflora

Family
Iridaceae (eye-rid-AY-see-ee)
Genus
Nemastylis (nee-ma-STY-lis)
Species
geminiflora (jem-in-ih-FLOR-uh)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Height
6-12 in. (15-30 cm)
Spacing
9-12 in. (22-30 cm)
Hardiness
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)
Bloom Color
Light Blue
Dark Blue
Bloom Time
Late Winter/Early Spring
Mid Spring
Other Details
Category
Bulbs
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color
Blue-Green
Where to Grow
Can be grown as an annual
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Properly cleaned, seed can be successfully stored
Regional

This plant is said to grow outdoors in the following regions:

Arlington, Texas

Dripping Springs, Texas(2 reports)

Hondo, Texas

Houston, Texas

Kerrville, Texas

Lipan, Texas

Merit, Texas

New Braunfels, Texas

San Antonio, Texas(2 reports)

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Featured Videos

Gardener's Notes:

3
positives
0
neutral
0
negative
Sort By:
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A
Round Rock, TX | April 2023 | positive

I had one of these in my yard, which I transplanted it into a garden bed—while in flower, which is a bad idea. Better to mark it with a...Read More

M
Dripping Springs, TX | May 2016 | positive

They grow in a clay deposit in a field around my shop. The dirt has never been altered or amended. They do not grow in my limestone grave...Read More

D
west Houston, TX (Zone 9a) | October 2006 | positive

These bulbs like to be dry when dormant; blooms open midmorning and fade before sundown; blooms March thru May in TX; flowers in shades o...Read More

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