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PlantFiles: Diascia, Twinspur
Diascia barberae

Family: Scrophulariaceae (skrof-yoo-larr-ee-AY-see-ee) (Info)
Genus: Diascia (dy-ASS-ee-uh) (Info)
Species: barberae (BAR-ber-ay) (Info)

4 members have or want this plant for trade.


12-18 in. (30-45 cm)

18-24 in. (45-60 cm)

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:

Bloom Time:
Late Winter/Early Spring
Late Spring/Early Summer


Other details:
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:

Propagation Methods:
From herbaceous stem cuttings

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

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By Floridian
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Thumbnail #3 of Diascia barberae by Evert

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1 positive
1 neutral
No negatives

Gardeners' Notes:

Positive JaxFlaGardener On May 4, 2005, JaxFlaGardener from Jacksonville, FL (Zone 8b) wrote:

I think the hardiness range for this plant should be extended to include Zones with colder winter climates. I planted a Diascia last Fall in my garden in NE Florida (borderline Zone 8b/9a). It stayed evergreen through the winter (temperatures as low as 28 F on a few nights). It has flowered continuously since being planted. The flowers on my Diascia are a very attractive light tawny orange rather than the pink shown in the photos. (I'll upload a photo of my plant later).

Neutral jody On Aug 31, 2001, jody from MD &, VA (Zone 7b) wrote:

Sprays of pink fowers over a low mat of mid green leaves in summer to early autumn.


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

Martinez, California
Wilmington, Delaware
Jacksonville, Florida
Sour Lake, Texas

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