PL. —Camassia scilloidesBotanical illustration — drop image
Camassia scilloides

Atlantic Camas

Spring
5a9aHardiness zone
Peak bloom windowZone 6b · frost-offset weeks
Winter
Not in bloom
Spring
Peak bloom
Summer
Not in bloom
Fall
Not in bloom
Peak bloom
In bloom
Background

Camassia scilloides, Atlantic camas or wild hyacinth, is the only Camassia species native to the eastern and central United States, ranging from Pennsylvania and Ohio west to Kansas and south to Texas and Georgia — a genuine option for gardeners outside the Pacific Northwest who want a true native camas rather than a West Coast species grown out of range. It is more delicate than its western relatives, with slender spikes of pale blue-violet, star-shaped flowers in mid-spring, and it favors the moist limestone prairies, open woodlands, and meadow edges of its native range.

It grows from a bulb rather than a true corm and shares the genus's core needs: consistent moisture through fall, winter, and spring, then a dry summer dormancy once the foliage yellows and is cut back. It naturalizes slowly by offsets and self-seeding in undisturbed meadow or woodland-edge plantings, and tolerates part shade better than the Pacific species, making it a good fit at the sunny edge of an eastern woodland garden. As with the rest of the genus, correctly identify bulbs before any thought of eating them — death camas (Anticlea elegans) can grow in overlapping habitat and is toxic.

Care guide
SunFull sun to part shade
WaterRegular
SoilMoist, well-drained, loamy; tolerates limestone-derived soil
Spacing3–6 in
Height12–24 in
Zone5a – 9a
Native RegionAL, AR, GA, IL, IN, KS, KY, MO, OH, PA, TN, TX, VA, WV
Frost hardy
Seasonal tasks
spring
watchWatch for foliage emerging in late winter or early spring; keep soil consistently moist and avoid compacting the ground near emerging shoots
summer
cutAllow foliage to yellow and wither completely before cutting it back; removing green leaves prematurely depletes bulb energy and reduces the following year's display
watchLeave seed heads intact after flowering if you want the colony to self-seed; seedlings take 3–5 years to reach blooming size
sowDivide overcrowded clumps every 3–5 years in late summer or early fall; lift bulbs carefully, separate offsets, and replant immediately at the same depth
fall
sowPlant bulbs 3–4 in deep and 3–6 in apart in early to mid-fall before the ground freezes; plant in drifts for naturalistic effect
Common problems

Bacterial Soft Rot

Symptoms

Rhizomes turn mushy and foul-smelling; foliage yellows and pulls away easily at the base. Often follows borer damage or overly wet soil.

Treatment

Cut away all soft tissue back to firm rhizome, let it dry, and dust the cut with sulfur. Improve drainage and avoid burying rhizomes. Destroy badly infected plants.

Crown Rot

Symptoms

Lower leaves yellow and wilt; the base of the rosette turns brown and soft, sometimes with white fungal threads at the soil line. Plants collapse in wet conditions.

Treatment

Remove and destroy affected plants. Improve drainage and avoid overhead watering. Do not mulch directly against the crown. Space plants for airflow and avoid replanting in the same wet spot.