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Devil's Backbone (Euphorbia tithymaloides), Succulent
Succulent

Devil's Backbone

Euphorbia tithymaloides

Varieties We Bring In

StandardEuphorbia tithymaloides
Sizes & Pricing
1 galFrom$24.95
3 galFrom$24.95

Last received Jul 16, 2026.

We bring this in seasonally, so what is on the lot changes week to week. A received date shows when it last came in, not that it is here today.

Call (904) 471-0440 to confirm this plant and size before you make the trip.

LightFull Sun, Part Shade
WaterLow
Salt toleranceLow
Mature size2-6 feet × 1-2 feet

Pet toxicity: Toxic to dogs and cats

Pet safety guide

About Devil's Backbone

Devil's Backbone (Euphorbia tithymaloides) is a drought-tolerant tropical shrub with striking zigzag stems and fleshy, often variegated leaves of green, white, and pink. Hardy in zone 9b with protection from hard frost, it makes a bold, low-water accent for sunny NE Florida borders and containers.

Plant details

Bloom Season
Spring, Summer
Flower Color
Red, Pink
Growth Rate
Moderate
Foliage
Evergreen
Soil
Sandy, Well-drained

Best planting months

Recommended forZone 9b · St. Augustine, FL

Recommended months: March, April, May, September, October, November.

January, other month
February, other month
March, good window
April, good window
May, good window
June, other month
July, other month
August, other month
September, good window
October, good window
November, good window, this month
December, other month
This monthGood windowOther months

Seasonal care

Bloom season. Good planting window.

Care essentials

Light

Grows best in full sun but tolerates partial shade; variegated forms hold brighter color with more light. In NE Florida, some afternoon shade helps reduce heat stress in midsummer.

Water

Water sparingly — Devil's Backbone is semi-succulent and highly drought-tolerant once established. Allow soil to dry between waterings and never let it sit in standing water, which causes root rot in Florida's wet summers.

Soil & Fertilizer

Plant in sandy or well-drained soil; amend heavy soil with perlite or coarse sand. Apply a balanced slow-release fertilizer lightly once in spring. Avoid overfeeding, which promotes weak growth.

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Common questions

Is Devil's Backbone a good plant for St. Augustine?

Devil's Backbone is a succulent. Mature size: 2-6 feet × 1-2 feet. Light: Full Sun, Part Shade. Water needs: Low. Recorded hardiness zone: 9a. Recorded salt tolerance: low.

What is the recorded pet toxicity for Devil's Backbone?

Toxic to dogs and cats

Care information verified from

Last reviewed February 2026. Our care guidance comes from trusted horticulture sources and decades of helping St. Augustine gardeners. Conditions here can vary dramatically from one area to the next, so come ask us and we'll tailor it to your yard.