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Calico-bush

Kalmia latifolia

Last reviewed: August 2026

Kalmia latifolia is a native evergreen shrub found throughout eastern North America from Maine to Florida. It produces clusters of pink cup-shaped flowers in May and June.

Calico-bush (Kalmia latifolia)
Photo: (c) Alex Abair, some rights reserved (CC BY), uploaded by Alex Abair

Calico-bush is toxic to dogs and cats.

Listed as toxic by the ASPCA Animal Poison Control Center (opens in new tab) (last reviewed 2026-08-03). If your pet has been exposed, call the ASPCA Animal Poison Control Center at (888) 426-4435and your veterinarian's emergency line.

Pollinator Patch flags toxic plants so you can choose a pet-safe native alternative for your yard.

The USDA PLANTS Database (opens in new tab) does not flag Calico-bush as toxic to livestock.

Light

part shade

Water

medium

Size

72"–180" H × 72"–180" W

Bloom

May, Jun

Native to

AL, CT, DE, FL and 20 more states

Pollinators

bees, butterflies

Before you buy

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Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 437 programs across 44 states, each with a link to the provider and the date we last checked it.

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Mountain laurel is a classic northeastern evergreen shrub that produces clusters of distinctive cup-shaped pink or white flowers in late spring. It forms a dense, rounded bush with glossy dark green leaves year-round and is prized for its formal appearance and reliable blooming.

Growing Calico-bush

Grow Calico-bush in part shade and medium water. Mature plants reach 72 to 180 inches tall and spread 72 to 180 inches wide. Expect low maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

Calico-bush is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.

Works well in: front yard, foundation, street edge, mid zone.

  • Large mature size requires adequate space planning

Wildlife value

Host plant for azalea sphinx moth.

The flowers attract bees and butterflies during the May-June bloom period. Dense evergreen foliage provides year-round shelter for birds.

Common questions

Where does Kalmia latifolia naturally grow?
Kalmia latifolia is native to the eastern United States, ranging from Maine south to northern Florida and west to Indiana, Kentucky, and Louisiana.
When does Calico-bush bloom?
Kalmia latifolia typically blooms in late spring to early summer, with peak flowering occurring in May and June.
What pollinators visit Kalmia latifolia?
The flowers of Kalmia latifolia attract various native bees and butterflies, which help pollinate the distinctive cup-shaped blooms.
What growing conditions does Calico-bush prefer?
Kalmia latifolia grows best in partial shade to shade with well-draining, acidic soil and consistent moisture, though it can tolerate some drought once established.
Is Calico-bush toxic to dogs?
Yes. Calico-bush is listed as toxic to dogs by the ASPCA Animal Poison Control Center (aspca.org). If your pet has been exposed, call the ASPCA Animal Poison Control Center at (888) 426-4435.
Is Calico-bush toxic to cats?
Yes. Calico-bush is listed as toxic to cats by the ASPCA Animal Poison Control Center (aspca.org). If your cat has been exposed, call the ASPCA Animal Poison Control Center at (888) 426-4435.
Is Calico-bush toxic to livestock?
The USDA PLANTS Database does not flag Calico-bush as toxic to livestock.
Is Calico-bush HOA-friendly?
Calico-bush is generally an HOA-friendly choice in the right placement, with low maintenance.

These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.

Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Pollinator Patch flags toxic plants like Calico-bush and shows pet-safe natives for your ecoregion instead.

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