Texas Star Jonquil, Cowslip Cupped Daffodil

Narcissus x intermedius

Family: Amaryllidaceae (am-uh-ril-id-AY-see-ee) (Info)
Genus: Narcissus (nar-SIS-us) (Info)
Species: x intermedius
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Division 13 - Species (incl. Wild Variants & Hybrids)


under 6 in. (15 cm)


3-6 in. (7-15 cm)

Bloom Time:

Late Winter/Early Spring

Mid Spring


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)

USDA Zone 10a: to -1.1 C (30 F)

USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:

Sun to Partial Shade


Parts of plant are poisonous if ingested

Bloom Color:

Bright Yellow



Other details:

Unknown - Tell us

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:

Unknown - Tell us

Propagation Methods:

By dividing rhizomes, tubers, corms or bulbs (including offsets)

Seed Collecting:

N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Unknown - Tell us


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

Garberville, California

Logansport, Louisiana

Raleigh, North Carolina

Austin, Texas

Desoto, Texas

Houston, Texas

Willis, Texas

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Gardeners' Notes:

No details have been posted.