Also known as Nelson's Checker-Mallow · Nelson's Checkerbloom
Nelson's checkermallow (Sidalcea nelsoniana) is a charming perennial native to western North America, featuring lovely pink to purple, mallow-like flowers on tall spikes.
At-a-glance light, water, soil, and growing conditions from plant data
Full Sun to Partial Shade
75% intensity
Prefers at least 6 hours of direct sunlight daily for best flowering.
Moderate
50% intensity
Keep soil consistently moist but not waterlogged during growth; reduce in dormancy.
Well-drained
50% intensity
Moderate
50% intensity
Thrives in average room temperatures; protect from extreme heat or frost.
Low
25% intensity
Feed sparingly in spring with a balanced fertilizer; avoid overfeeding.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Water Nelson's checkermallow regularly during its growing season, especially in warmer months. Allow the soil to dry slightly between waterings.
Reduce watering in fall and winter, providing just enough to keep the soil from completely drying out, to prevent root rot.
Prune back Nelson's checkermallow in late fall or early spring. Remove spent flower stalks to encourage a tidier appearance and potentially a second, smaller bloom.
Cut back dead or damaged foliage to maintain plant health and vigor.
Propagate Nelson's checkermallow from seed sown in autumn or early spring. Alternatively, divide established clumps in early spring or fall.
Ensure divisions have healthy roots and at least one viable shoot for successful establishment.
Repot Nelson's checkermallow every 2-3 years, or when it becomes root-bound, typically in early spring. Use a well-draining potting mix.
Choose a pot only slightly larger than the current one to avoid overwatering issues.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Nelson's Checkermallow (Sidalcea nelsoniana)
Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Malvales |
| Family | Malvaceae |
| Genus | Sidalcea |
| Species | Sidalcea nelsoniana |
Similar in genus Sidalcea
Answers based on plant encyclopedia data
