General Plant Information (Edit)
Plant Habit: Shrub
Life cycle: Perennial
Sun Requirements: Full Sun
Full Sun to Partial Shade
Water Preferences: Mesic
Dry Mesic
Minimum cold hardiness: Zone 5a -28.9 °C (-20 °F) to -26.1 °C (-15 °F)
Maximum recommended zone: Zone 9b
Plant Height: 2-3 feet
Plant Spread: 2-3 feet
Leaves: Deciduous
Fruit: Other: brown
Fruiting Time: Fall
Flowers: Showy
Fragrant
Flower Color: Yellow
Bloom Size: 1"-2"
Flower Time: Summer
Late summer or early fall
Wildlife Attractant: Butterflies
Child plants: one child plant

Image
Trade name information:
Series: Nordic®
Trade Name: Gemo
Cultivar name: 'Gemo'
Common names
  • Kalm's Saint John's Wort
Also sold as:
  • Norðîc® Gemo

Photo Gallery
Location: Loki Schmidt Garten - Botanischer Garten der Universität Hamburg
Date: 2022-09-13
Location: Ray Wiegands Nursery, MI
Date: 2015-07-05
Location: Loki Schmidt Garten - Botanischer Garten der Universität Hamburg
Location: Ray Wiegands Nursery, MI
Date: 2015-07-05
Location: Ray Wiegands Nursery, MI
Date: 2015-07-05
Location: Ray Wiegands Nursery, MI
Date: 2015-07-05
Location: Ray Wiegands Nursery, MI
Date: 2015-07-05
Location: Ray Wiegands Nursery, MI
Date: 2015-07-05

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