Tree Gloxinia or Isoloma
Kohleria hybrids (GESNERIACEAE)
Planting and Growing Tree Gloxinia
You’ll find everything you need to know to plant and grow tree gloxinia or isoloma in the accompanying table’s tabs:
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- Flowers, foliage, and root structure of tree gloxinia or isoloma
- Season of bloom and planting time for tree gloxinia or isoloma
- Plant hardiness and growing conditions for tree gloxinia or isoloma
- When, how deep, and where to plant tree gloxinia or isoloma
- How to plant tree gloxinia or isoloma
- Watering, fertilizing, care and pests or diseases of tree gloxinia or isoloma
- Landscape and indoor uses of tree gloxinia or isoloma
- Comments about tree gloxinia or isoloma and its features
Growing Tree Gloxinia
Summer rhizome. Deciduous. Stands 1–3 ft. (30–90 cm) tall. Oval, finely toothed, short, velvety, deep gray green leaves, often with brown, purple, red undersides, and sometimes in a whorled pattern.
Tree Gloxinia Planting and Care Guide
Flowers
Summer. Pink, red, yellow, often bicolored. Nodding, flared, tube-shaped flowers, 1–2 in. (25–50 mm) long, with round, bulbous petals.
Best Climates
U.S.D.A. Plant Hardiness Zones 8–11; ground hardy, zones 10–11.
Soil Type and Fertility
Moist, well-drained, sandy loam. Fertility: Rich. 6.0–7.0 pH.
Where and How to Plant
Spring in partial shade. Space 8–12 in. (20–30 cm) apart, 1–2 in. (25–50 mm) deep.
Proper Care
Moderate. Keep moist spring–autumn. Fertilize monthly during growth. Mulch. Propagate by cuttings, division, seed. Prefers humid climates.
Lifting and Storing
Dark, 50–60°F (10–16°C), in net bag or open basket of dry peat moss.
About This Species
Good choice for accents, beds, borders, containers in tropical gardens, landscapes, and greenhouses. Pest and disease resistant.