Also known as Prickleaf Dogweed · Prickly Fetid Marigold · Texas Dogweed
Pricklyleaf dogweed (Thymophylla acerosa) is a low-growing, aromatic perennial native to southwestern North America, forming dense mats of needle-like foliage.
At-a-glance light, water, soil, and growing conditions from plant data
High
100% intensity
Prefers full sun for best flowering and growth.
Moderate
50% intensity
Allow topsoil to dry slightly between waterings.
Well-drained
50% intensity
Moderate
50% intensity
Prefers average room temperatures; protect from frost.
Low
25% intensity
Fertilize sparingly during the growing season.
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Water pricklyleaf dogweed thoroughly when the top 2-3 cm of soil feels dry. Avoid overwatering, as this can lead to root rot. Allow soil to dry slightly between waterings, especially during cooler months.
Ensure good drainage to prevent waterlogging.
Prune pricklyleaf dogweed to maintain shape and encourage bushier growth. After flowering, trim back spent flower stems. Lightly prune in early spring to remove any dead or leggy branches.
Avoid heavy pruning, as it can stress the plant.
Propagate pricklyleaf dogweed from stem cuttings taken in spring or early summer. Dip cuttings in rooting hormone and plant them in moist, well-draining potting mix.
Keep the cuttings in a warm, bright location until they establish roots.
Repot pricklyleaf dogweed every 2-3 years, or when it becomes root-bound. Choose a pot that is slightly larger than the current one, with ample drainage holes.
Use a well-draining potting mix, such as a cactus or succulent blend. Repot in spring before new growth begins.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Pricklyleaf Dogweed (Thymophylla acerosa)
Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Thymophylla |
| Species | Thymophylla acerosa |
Similar in genus Thymophylla
Answers based on plant encyclopedia data
