Cedar Glade St. John's Wort
Hypericum frondosum
Last reviewed: September 2026
Hypericum frondosum is a rounded shrub with bright yellow, showy flowers blooming June through August. It thrives in full sun, well drained soil, and the hot, humid summers typical of the southeastern and south-central United States.

Toxicity unknown
Cedar Glade St. John's Wort (Hypericum frondosum) 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
24"–48" H × 24"–48" W
Bloom
Jun, Jul, Aug
Native to
AL, FL, GA, KY and 6 more states
Pollinators
bees, butterflies
Before you buy
Your city may pay you to plant this
Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 452 programs across 44 states, each with a link to the provider and the date we last checked it.
Find rebates in your areaBrowse plants for this ecoregion
Golden St. John's-wort is a compact native shrub that produces bright yellow flowers throughout the summer months. This drought-tolerant plant forms a neat, rounded shape and requires minimal care once established.
Growing Cedar Glade St. John's Wort
Grow Cedar Glade St. John's Wort in full sun and low water. Mature plants reach 24 to 48 inches tall and spread 24 to 48 inches wide. Expect low maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Cedar Glade St. John's Wort is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: front yard, foundation, street edge, mid zone.
Wildlife value
The cheerful yellow blooms attract bees and butterflies during the long summer flowering period. Seeds provide food for birds in fall and winter.
Common questions
- How much sun does Cedar Glade St. John's Wort need?
- It performs best in full sun, where it produces denser growth and a fuller display of yellow flowers than in shadier spots.
- How much water does this shrub require?
- Once established, it tolerates low to medium moisture and does well in well drained soil, including dry, rocky sites.
- When does Cedar Glade St. John's Wort bloom?
- It blooms from June through August, producing clusters of bright yellow flowers with prominent stamens.
- What pollinators are attracted to this plant?
- Bees and butterflies visit the flowers regularly during the summer bloom period, drawn to the abundant pollen.
- Is Cedar Glade St. John's Wort HOA-friendly?
- Cedar Glade St. John's Wort 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.
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.
- It is dying right after planting
- Leaves turning yellow
- Wilting even though I watered it
- Brown crispy leaf tips
- Bugs on the plant
Ready to grow Cedar Glade St. John's Wort? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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