The Story
Plant Bio
Hypericum frondosum is a deciduous shrub recognized for its bushy habit, with aromatic, ovate leaves and vibrant yellow flowers that typically appear in summer, adding brightness to the landscape.
This species is valued for its drought tolerance and ability to attract pollinators, making it a resilient and beneficial addition to xeriscapes and wildlife gardens.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Shrub
Height
24 inches
Width
18 inches
Light
Full Sun, Partial Sun
Zones
4, 5, 6, 7, 8
Water
Low to moderate
Humidity
Average
Lifespan
Perennial
Native To
North America
Toxicity
Non-toxic to humans and pets
Bloom period
Mid-summer – Late summer
In flower about 2 months of the year
Planting
How to Grow
- Tuck seeds or cuttings into well-drained soil in spring.
- Water thoroughly after planting to establish roots.
- Mist cuttings regularly to promote rooting, usually 6 weeks.
- Place in full sun for optimal flowering.
- Mulch around base to retain moisture and suppress weeds.
- Prune lightly after flowering to maintain shape.
Pro Tip
Ensure excellent drainage and full sun for best growth.
Keep It Thriving
Care Guide
Do
- Water during dry spells 🌱
- Prune lightly after flowering
- Apply a balanced fertilizer in spring
Don't
- Overwater to prevent root rot ❌
- Use heavy clay soil without amendments ❌
- Neglect pruning or mulching
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fertilize | ||||||||||||
| Prune | ||||||||||||
| Spring Cleanup |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Multiply
Propagation Methods
Good to Know
Common Questions
Hypericum frondosum Goldmound questions
What zones can Hypericum frondosum Goldmound grow in?
Hypericum frondosum Goldmound is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Hypericum frondosum Goldmound deer resistant?
Not reliably. Deer may browse Hypericum frondosum Goldmound, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Hypericum frondosum Goldmound bloom?
Hypericum frondosum Goldmound typically blooms in mid-summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Hypericum frondosum Goldmound need full sun?
Hypericum frondosum Goldmound does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Hypericum frondosum Goldmound drought tolerant?
Yes — once established (usually after the first full season), Hypericum frondosum Goldmound handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
More Hypericum to compare
Great St. John's Wort
Hypericum ascyron
Variegated Hypericum
Hypericum patulum 'Hidcote Variegated'
Shrubby St. Johnswort
Hypericum prolificum
Sunny Boulevard Kalm's St. John's Wort
Hypericum perforatum 'Sunny Boulevard'
Gemo St. Johnswort
Hypericum kalmianum 'Gemo'
Kalm's St. John's Wort
Hypericum kalmianum
Keep exploring
Explore the genus
Hardy in your zone?
Grow Hypericum frondosum Goldmound with confidence
See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.