Hypericum kalmianum 'Ames'
Ames Kalm St. John's Wort

Hypericum kalmianum ′Ames′ - Summer Habit
 Family:
 Genus:
 Plant Type:
 Growth Forms:
 Hardiness:
 Deciduous / Evergreen:
 Flower Notes:
Yellow (Unique, bright golden yellow petals with a large dome of similar-colored stamens; mid to late summer)
 Foliage Notes:
Green (Glossy blue-green summer foliage)
 Fruit Notes:
Brown (4-5 celled beaked capsule; moderately interesting; can persist into spring)
 Ultimate Height:
2-3 feet
 Ultimate Spread:
2-3 feet
 Light Requirements:
 Soil Notes:
Adaptable, but must be well-drained
 Range:
Cultivated origin
 Diagnostic Characteristics:
Leaves (1-2" long) are opposite, simple, narrow, linear to lanceolate and dotted with resin glands. Stems are 4-angled. The showy flowers, borne in small cymes, are 1" across with 5 petals, 5 styles, and a large dome of numerous long stamens.
  Special Characteristics:
  • Flowering Characteristics 287
  • Border 395
  • Hedge 277
  • Naturalizing 114
  • Drought Tolerant 289
  • Pest and/or Disease Resistant 96

    • Additional Information

    Hypericum kalmianum 'Ames' is a compact, mounded deciduous shrub that produces attractive, interesting, bright yellow flowers in mid to late summer. 'Ames' is reported to have better winter hardiness than the straight species.

    Other plants like this Hypericum kalmianum 'Ames' (Ames Kalm St. John's Wort)

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