Also known as Calico-Bush · Chamaedaphne Foliis Tini Floribus Bullatis Umbellatis · Clamoun
Safety note: This plant may be toxic to humans and pets. See toxicity details.
Mountain Laurel (Kalmia latifolia) is an evergreen shrub native to eastern North America, prized for its exquisite, cup-shaped flowers in shades of pink and white.
At-a-glance light, water, soil, and growing conditions from plant data
Partial Shade
50% intensity
Prefers dappled shade to full sun in cooler climates. Protect from harsh afternoon sun.
Consistent Moisture
50% intensity
Water deeply when top 2-3 cm of soil is dry. Avoid waterlogging.
Acidic, Well-drained
50% intensity
Hardy
50% intensity
Tolerates a wide range of temperatures, but thrives in temperate climates. Protect from extreme heat.
Acid-Loving
25% intensity
Use balanced, acid-loving fertilizer in early spring. Avoid over-fertilizing.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | Yes 5/5 intensity |
| Toxic for pets | Yes 5/5 intensity |
| Edible | No |
All parts of the plant are poisonous if ingested.
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Mountain Laurel prefers consistent moisture, especially during establishment and hot, dry periods. Water deeply when the top 2-3 cm of soil feels dry. Avoid waterlogged conditions, which can lead to root rot.
Mulching helps retain soil moisture and regulate temperature.
Prune Mountain Laurel immediately after flowering to shape the plant and remove any dead or crossing branches. Avoid heavy pruning, as it can reduce flowering. Pinching back young growth can encourage a bushier habit.
Propagate Mountain Laurel from semi-hardwood cuttings taken in summer. Rooting hormone can improve success rates. Sow seeds in fall, but note that seedlings can take several years to flower.
Grafting is also an option for specific cultivars.
Repotting is generally not necessary for established outdoor plants. Container-grown Mountain Laurel should be repotted every 2-3 years into a slightly larger pot when rootbound. Use a well-draining, acidic potting mix.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Mountain Laurel (Kalmia latifolia)
Where Mountain Laurel (Kalmia latifolia) is found
Density
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Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Ericales |
| Family | Ericaceae |
| Genus | Kalmia |
| Species | Kalmia latifolia |
Similar in genus Kalmia
Answers based on plant encyclopedia data
