Species: Hypericum kalmianum
Ames Kalm St. Johnswort
Found on Course Walks
Map of plant locations
(Plant location data may be incomplete)
In Collection(s):
Cultivars
'Ames'Ornamental Characteristics
Shrub < 4 feet, Groundcover
2-4' high and wide
Deciduous
mounded
Environmental Characteristics
Full sun
4b
Can tolerate acid to alkaline soil (pH 5.0 to 8.0)
Tolerates salt spray
leaves bluish-green on top, glaucous beneath, bright yellow flowers in July, grass-like leaves provide fine texture when planted as a groundcover
Consistently moist, well-drained soil; Occasional periods of dry soil
See graphic below
Insect Disease
No diseases listed
Bare Root Transplanting
Other
Moisture Tolerance Graphic
Please view this page on a tablet or larger screen for the moisture graph
Moisture Tolerance
Occasionally saturated or very wet soil
Consistently moist, well-drained soil
Occasional periods of dry soil
Prolonged periods of dry soil
1
2
3
4
5
6
7
8
9
10
11
12
