How much sun does Guaiacum need?

Guaiacum grows best in full sun conditions.

When does Guaiacum bloom?

Guaiacum blooms in March, April, May, and June.

Where is Guaiacum native?

Guaiacum (Guaiacum sanctum) is native to FL, per the World Checklist of Vascular Plants (Kew).

Guaiacum

Name: Pollinator Patch
Author: Pollinator Patch

Guaiacum sanctum

Last reviewed: October 2026

Guaiacum (Guaiacum sanctum) is a perennial tree native to FL. It blooms in March, April, May, and June. The flowers draw bees.

Toxicity unknown

Guaiacum (Guaiacum sanctum) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

full sun

Water

low

Size

96"–300" H × 96"–240" W

Bloom

Mar, Apr, May, Jun

Native to

Pollinators

bees

Before you buy

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Browse plants for this ecoregion

Southern Coastal Plain Southern Florida Coastal Plain

Slow-growing evergreen tree with dense, dark green compound leaves and clusters of vivid blue five-petaled flowers that appear repeatedly through the warm season, followed by yellow-orange seed capsules that split to reveal red-coated seeds. One of the densest woods of any tree.

Growing Guaiacum

Grow Guaiacum in full sun and low water. Mature plants reach 96 to 300 inches tall and spread 96 to 240 inches wide.

Wildlife value

Showy flowers attract bees, and the fruit is eaten by birds.

Common questions

How much sun does Guaiacum need?: Guaiacum grows best in full sun conditions.
When does Guaiacum bloom?: Guaiacum blooms in March, April, May, and June.
Where is Guaiacum native?: Guaiacum (Guaiacum sanctum) is native to FL, per the World Checklist of Vascular Plants (Kew).
What pollinators does Guaiacum attract?: Guaiacum draws bees.

Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

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