Overview
Impatiens keilii is a bushy, compact annual biennial in the genus Impatiens, part of the Balsaminaceae family, with fleshy, simple, toothed leaves foliage. Impatiens keilii grows best in full shade, and tolerates loam soils and neutral pH. Its UK hardiness is rated H3. Suggested uses include bedding plants, containers, hanging baskets and groundcover.
About
Impatiens keilii is a bushy, compact cultivar of the Impatiens genus, known for its fleshy stems and simple, toothed leaves. This plant thrives in full shade, particularly in north-facing, sheltered locations with moist but well-drained loam soil of neutral pH. Suitable for bedding, containers, hanging baskets, or as groundcover, it is hardy to UK zone H3. Impatiens keilii flowers in summer and autumn, adding interest during these seasons. It prefers moist, humus-rich soil in shade or partial shade and can be propagated by seed sowing or stem cuttings.
Growing conditions
Best soil and position for Impatiens
- Sunlight
- Full shade
- Soil type
- Loam
- Soil pH
- Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- North-facing
- Exposure
- Sheltered
- UK hardiness
- H3
Plant details
Impatiens keilii size, habit and characteristics
- Plant type
- Annual Biennial, Bedding
- Habit
- Bushy, compact
- Foliage
- Fleshy, simple, toothed leaves
- Suggested uses
- Bedding plants, containers, hanging baskets, groundcover
Care notes
Pruning and caring for Impatiens keilii
- Propagation
- Seed sowing, stem cuttings
- Pest resistance
- Susceptible to downy mildew, aphids, whiteflies
- Disease resistance
- Downy mildew-resistant varieties available
Frequently asked questions
Where is the best place to plant Impatiens keilii?
Impatiens keilii prefers full shade. It suits sheltered positions.
What soil does Impatiens keilii need?
Impatiens keilii grows best in loam soil. It prefers neutral soil. Aim for soil that stays moist but well-drained.
Is Impatiens keilii hardy in the UK?
Impatiens keilii has an RHS hardiness rating of H3, meaning it is half-hardy, tolerating -5 to 1°C, and may need winter protection in colder areas.
How do I propagate Impatiens keilii?
Seed sowing, stem cuttings.
More in the Impatiens genus
- Impatiens 'Samba'

- Impatiens Antigua ('Kitigua')

- Impatiens Jose ('Kijos')

- Impatiens 'Balfusimglo'
- Impatiens 'Blues' (NG)
- Impatiens 'Celebrette Scarlet' (Celebrette Series) (NG)
- Impatiens 'Duepetorstar' (NG)
- Impatiens 'Fidimpmaxwhi' (NG)