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How to Grow Kohleria

Kohleria
Red and yellow Kohleria flowers

Kohleria, also called tree gloxinia, is a topical flowering plant with attractive velvety foliage. Tubular or bell-shaped red flowers appear mostly from summer through fall. With the proper conditions, Kohleria can bloom year-round.

Kohleria can be trained upright or grown as a trailing plant in a hanging basket.

Get to Know Kohleria

  • Plant type: Tropical perennial
  • Growing Zones and range: 11-12
  • Hardiness: Tender; average household temperatures
  • Height and width: 1 to 4 feet (.3-1.2m) tall; can trail
  • Foliage: Velvety dark green foliage is fuzzy with a purplish pattern
  • Flowers: Tubular or bell-shaped flowers in shades of pink, red, orange, or white; flat lobed flowers with dot-like markings
  • Bloom time: Summer through fall
  • Uses: Houseplant
  • Botanical name: Kohleria
  • Common name: Tree gloxinia
Kohleria flowers
Kohleria flowers

Where to Plant Kohleria

  • Grow Kohleria in bright light with direct, early morning sun from eastern exposure; grows well under artificial light needing 14 to 16 hours daily.
  • Plant in average potting soil.

How to Water and Feed Kohleria

  • Keep the soil evenly moist; mist twice daily; best at 50 percent humidity.
  • Fertilize every 3 weeks with mild, all-purpose fertilizer during the active growing period. Do not fertilize during the dormant period.

Kohleria Care

  • Each spring, separate rhizome clusters and repot.
  • Prune in spring if needed.
  • Kohleria is susceptible to aphids, mealybugs, scale, powdery mildew, and root or crown rot.
  • Plants grown under artificial light will not go dormant; dormant plants should be kept at 50° to 60° F (10° -16° C)

Kohleria Propagation

  • Propagate by rhizome division, tip cuttings taken in spring, or seeds.

Kohleria Varieties to Grow

  • Kohleria amabilis has dark green leaves and silver markings with rosy flowers.
  • K. bogotensis grow 24 inches tall with dark green leaves and white markings; flowers are yellow with red spots.
  • K. digitaliflora bears white flowers flushed with rose.
  • K. eriantha has leaves edged with red and white hairs and orange-red flowers.
  • K. hirsuta has soft-haired leaves and orange-red flowers.
  • K. lindeniana has white flowers with purple markings.

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