Garden Oracle / Drought and Heat Tolerant Gardening / Tucson - Phoenix - Arizona - California

Growing Glandularia aristigera:
Moss Verbena

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Form: A low spreading herb.
Lifespan: Perennial.
Leaf retention: Evergreen.
Growth rate: Moderate.
Mature Size: 6-12" high and 36" wide.
Flowers: Pink, white, or purple with a white center, small and tubular with five petal-like lobes, in rounded clusters about 1" across.
Bloom: Spring into fall.
Fruit: Seed.
Leaves: Aromatic, green, three lobes finely dissected into many linear segments about 1/4" long, having a moss like appearance.
Stems: No thorns, sprawling. Stem nodes sprout roots when they touch moist soil.
Wildlife: Attracts butterflies and bees.
Toxic / Danger: No.
Origin: South America.

Cultivation and Uses
USDA hardiness zones: 9b-11. Root hardy in zones 7-9a. This plant dies to the ground in regions with freezes and regrows from its roots in the spring.
Heat tolerant: Yes, but may go dormant above 85°F in full sun.
Drought tolerant: Yes.
Sun: Part shade in regions where temperatures go above 85°F.
Water after becoming established: Monthly, except weekly in a mostly sunny location when temperatures are above 85°F.
Soil: Very well drained, dry, low to moderate organic content, pH 6.1-7.8 (slightly acidic to slightly alkaline). It develops root rot in wet soil.
Mulch: Use decomposing granite for best results.
Planting: In regions with hot summers, it is best planted in the fall so it will become well established before the heat of summer.
Prune: After the last freeze is past, mow or rake up dead stems.
Litter: Winter damage.
Propagation: Seed, rootball division, cuttings. Self-seeds freely.
Uses: Ornamental, ground cover, erosion control on moist ground.

Former scientific name Glandularia tenera. This plant is a member of the Verbena family (Verbenaceae). Another common name is Moss Vervain. It does not withstand foot traffic.

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Glandularia aristigera: Moss Verbena

Latest update: August, 2021
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