Also known as Sermountain
Laserwort (Laserpitium siler) is a hardy perennial herb native to rocky, calcareous slopes in Europe, featuring compound leaves and umbels of white flowers.
At-a-glance light, water, soil, and growing conditions from plant data
Full Sun to Partial Shade
75% intensity
Prefers sunny locations but tolerates light shade, especially in hotter climates.
Moderate to Low
50% intensity
Keep soil consistently moist during growth, reduce in dormancy.
Well-drained, Sandy, Loamy
50% intensity
Moderate
50% intensity
Hardy in temperate climates, dislikes extreme heat and frost.
Low
25% intensity
Fertilize sparingly in spring with a balanced fertilizer.
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 Laserpitium siler regularly during the growing season, ensuring the soil remains consistently moist but not waterlogged. Reduce watering significantly in autumn and winter, allowing the soil to dry out between waterings to prevent root rot, especially in cooler conditions.
Prune back spent flower stalks after blooming to encourage a tidier appearance and potentially a second bloom. In late autumn or early spring, remove any dead or damaged foliage to promote healthy new growth.
Minimal pruning is generally required.
Laserwort can be propagated by seed sown in autumn or early spring, or by division of established clumps in early spring. Seeds may require stratification.
Division should be done carefully to minimize disturbance to the root system.
Repotting is infrequent for Laserwort, as it prefers to be left undisturbed. If necessary, repot container-grown plants every 2-3 years in early spring, using a well-draining, gritty compost mix.
Ensure the new pot is only slightly larger than the current one.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Laserwort (Laserpitium siler)
Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Apiales |
| Family | Apiaceae |
| Genus | Laserpitium |
| Species | Laserpitium siler |
Similar in genus Laserpitium
Answers based on plant encyclopedia data
