Photo by Melody

PlantFiles: Pineland Pinklet, Sweet Shaggytuft
Stenandrium dulce

Family: Acanthaceae (ah-kanth-AY-see-ee) (Info)
Genus: Stenandrium (sten-AN-dree-um) (Info)
Species: dulce (DUL-see) (Info)

Synonym:Gerardia dulcis
Synonym:Gerardia floridana
Synonym:Ruellia dulcis
Synonym:Stenandrium dulce var. floridanum
Synonym:Stenandrium floridanum

3 members have or want this plant for trade.


6-12 in. (15-30 cm)
12-18 in. (30-45 cm)

3-6 in. (7-15 cm)

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)
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Full Sun
Sun to Partial Shade
Light Shade

Unknown - Tell us

Bloom Color:

Bloom Time:
Blooms all year


Other details:
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Requires consistently moist soil; do not let dry out between waterings
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Suitable for growing in containers

Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:
Unknown - Tell us

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From herbaceous stem cuttings
From seed; winter sow in vented containers, coldframe or unheated greenhouse

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


1 positive
1 neutral
No negatives

Gardeners' Notes:

Positive Ursula On Feb 16, 2005, Ursula from Santiago
Chile (Zone 9b) wrote:

In Chile, the natural habitat of this rhizomatous plant is mainly at the coastal area at full sun exposure. Its height is of 6 cm and diameter is 10 cm.

This plant reaches maturity very fast when grow from seeds, blooming the first year, provided they grow in nutrient rich well drained soil and get high luminosity. Their blooming period is from early Spring to late Summer.

In order to obtain a 'carpet of flowers' it is recommended to plant them at distances of 20 cm (8"). It will be necessary to 'clean' them annualy, re-planting the cuttings somewhere else. If they are left to grow too crowded, blooms will diminish dramatically.

Propagation from seeds: regular sowing in Spring and stratified sowing in Autumn, using a mix of two portions compost, two portions vermiculite, one portion regular garden soil and one portion river sand. Pick the seedlings once they have developed two real leaves.

Propagation from cuttings: during Spring.

Division of rhizom: during Autumn.

Neutral Floridian On Dec 29, 2004, Floridian from Lutz, FL (Zone 9b) wrote:

An herbaceous perennial with smooth, dark green, ovate to elliptical leaves that form a basal rosette. The flowers are 5 lobed, pink and fragrant. Its natural habitat is wet pinelands and prairies of central and southern Florida and from Texas through Mexico to Chile.
This plant is usually solitary but can spread quickly from seed, especially after a fire. It will form dense colonies in container culture.

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