Hypericum boreale
Hypericum boreale
Northern St. John's wort is a compact native perennial that thrives in moist to wet soils and produces cheerful small yellow flowers in summer, making it a great choice for rain gardens or naturalized wet meadow plantings. It is easy to grow with minimal maintenance and spreads gradually to form a tidy colony. This plant is well-suited to naturalistic landscapes across the northeastern and midwestern United States and Canada.
Care Level
Low
Sun
Partial Shade
Water
Moderate
Growth Rate
Moderate
Mature Height
12″ – 48″
Soil
loam
Life Cycle
Perennial
Spacing
18″
Watering Schedule
Every 7-10 Days • Keep Soil Consistently Moist; Tolerates Wet Feet And Is Suitable Near Water Features Or Rain Gardens
Soil pH
4.4 – 6
Temperature
-25° – 95°F
Mature Spread
up to 48″
Root Depth
Medium
Foliage
Coarse
Propagation: Seed, Division, Cutting
Native to
Attracts
Sources
Data: trefle, usda
No nurseries currently have this species in stock.