Also known as Woolly Pastureweed
Cyathula tomentosa, the Cottony chaff flower, is a perennial herb noted for its dense, woolly inflorescences and traditional medicinal uses.
At-a-glance light, water, soil, and growing conditions from plant data
Full Sun to Partial Shade
75% intensity
Prefers bright, indirect light; can tolerate some direct sun
Moderate
50% intensity
Allow topsoil to dry between waterings
Well-drained
50% intensity
Warm
75% intensity
Prefers temperatures between 18-24°C; avoid frost
Moderate
50% intensity
Feed during growing season with balanced fertilizer
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Water thoroughly when the top 2-3 cm of soil feels dry. Avoid overwatering, as Cyathula tomentosa prefers well-draining conditions.
Reduce watering frequency during cooler months or when the plant is dormant to prevent root rot. Ensure good drainage in the pot to maintain healthy roots.
Prune to maintain desired shape and size, and to remove any dead or damaged stems. Light pruning can be done throughout the growing season. For more significant shaping, prune in early spring before new growth begins.
This encourages bushier growth and better air circulation.
Propagate from seeds sown in spring or through stem cuttings taken during the summer. Seeds require warm conditions for germination.
Cuttings should be placed in a well-draining potting mix and kept moist until roots develop. This method can provide new plants efficiently.
Repot every 2-3 years, or when the plant becomes root-bound. Use a well-draining potting mix. Choose a pot that is slightly larger than the current one.
Repotting in spring is ideal, giving the plant ample time to establish in its new container.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Cottony Chaff Flower (Cyathula tomentosa)
Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Caryophyllales |
| Family | Amaranthaceae |
| Genus | Cyathula |
| Species | Cyathula tomentosa |
Similar in genus Cyathula
Answers based on plant encyclopedia data
