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PlantFiles: Angelita Daisy, Stemless Hymenoxys, Plains Hymenoxys, Lakeside Daisy, Manitoulin Gold, Rubberweed
Tetraneuris acaulis

Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Tetraneuris (tet-ruh-NYUR-iss) (Info)
Species: acaulis (a-KAW-liss) (Info)

Synonym:Actinea acaulis
Synonym:Gaillardia acaulis
Synonym:Hymenoxys acaulis

One member has or wants this plant for trade.

Alpines and Rock Gardens

12-18 in. (30-45 cm)

15-18 in. (38-45 cm)

USDA Zone 5b: to -26.1 C (-15 F)
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)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:
Full Sun


Bloom Color:
Pale Yellow
Bright Yellow
White/Near White

Bloom Time:
Mid Summer
Late Summer/Early Fall
Mid Fall
Blooms repeatedly


Other details:
This plant is attractive to bees, butterflies and/or birds
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater

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 the rootball
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
From seed; direct sow after last frost

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds

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No positives
2 neutrals
No negatives

Gardeners' Notes:

Neutral htop On Oct 12, 2003, htop from San Antonio, TX (Zone 8b) wrote:

San Antonio, Tx.
This is also known as "Giant Thrift-leaf Perky Sue" and "Giant Four Nerve Daisy". It grows 15 to 18" high and 18" wide. It is faster growing and the stems are stronger than Hymenoxys scaposa, but it blooms through the heat of summer with hundreds of bright yellow flowers just like the smaller species. Plant in full, hot sun (the hotter the better) and in well drained soil. An excellent xeriscape plant, use it in rock gardens and other areas not dependent on frequent watering. I have not grown it, so I can not rate it other than neutral at this time.

Neutral smiln32 On Aug 31, 2001, smiln32 from Oklahoma City, OK (Zone 7a) wrote:

The species name "acaulis" comes from the Greek for "without stem".


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

Chandler, Arizona
Maricopa, Arizona
Phoenix, Arizona
Champaign, Illinois
Roswell, New Mexico
Mansfield, Texas

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