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We received some St. John's Wort on Sep 23, 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.
Last received Sep 23, 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.
Pet toxicity: Toxic to dogs, cats, and horses
Pet safety guideAbout St. John's Wort
St. John's wort (Hypericum spp.) is a diverse genus of shrubs and subshrubs bearing bright yellow five-petaled flowers with showy stamens over a long summer-to-fall season. Multiple native Florida species thrive in NE Florida Zone 9b landscapes, offering drought tolerance, pollinator value, and adaptability to sandy soils from low groundcover forms to upright specimens 3–12 feet tall.
Plant details
- Bloom Season
- Spring, Summer, Fall
- Flower Color
- Yellow
- Growth Rate
- Moderate
- Foliage
- Semi-evergreen
- Soil
- Sandy, Loam, Well-drained
Best planting months
Recommended months: March, April, May, October, November.
Seasonal care
Bloom season. Good planting window.
Bloom season. Higher water demand in summer heat.
Ideal planting window.
May lose some foliage in cold snaps.
Care essentials
Grow in full sun to light part shade; full sun produces the most abundant bloom. Most Hypericum species native or adapted to Florida tolerate the region's intense sun and heat well with adequate moisture.
Moderate water needs; established plants are drought-tolerant and rely largely on NE Florida's rainfall. Water during extended dry periods, especially in spring. Good drainage is essential — avoid low, wet areas where root rot can develop.
Adaptable to sandy to loamy well-drained soils. Apply a balanced slow-release shrub fertilizer once in spring. Prune lightly after the main flush of bloom to encourage reblooming through fall; remove dead or crossing stems in late winter.
Similar needs
Camellia
Shares 6 of the same needs: shade, moderate water, sandy, salt tolerance, zone 9a hardiness, and pollinator-friendly.
Cuphea
Shares 6 of the same needs: full sun, moderate water, sandy, salt tolerance, zone 9a hardiness, and pollinator-friendly.
Firespike
Shares 6 of the same needs: full sun, moderate water, sandy, salt tolerance, zone 9a hardiness, and pollinator-friendly.
Jasmine
Shares 6 of the same needs: full sun, moderate water, sandy, salt tolerance, zone 9a hardiness, and pollinator-friendly.
Loropetalum
Shares 6 of the same needs: full sun, moderate water, sandy, salt tolerance, zone 9a hardiness, and pollinator-friendly.
Photinia
Shares 6 of the same needs: full sun, moderate water, sandy, salt tolerance, zone 9a hardiness, and pollinator-friendly.
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Common questions
Is St. John's Wort a good plant for St. Augustine?
St. John's Wort is a shrub. Mature size: 3-12 feet × 3-6 feet (varies by species). Light: Full Sun, Part Shade. Water needs: Low to Moderate. St. John's Wort is native to Florida. Recorded hardiness zone: 9a. Recorded salt tolerance: low.
What is the recorded pet toxicity for St. John's Wort?
Toxic to dogs, cats, and horses
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.