Overview

Impatiens phengklaii is a bushy, compact annual biennial in the genus Impatiens, part of the Balsaminaceae family, with fleshy, simple, toothed leaves foliage. Impatiens phengklaii 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 phengklaii 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 flourishes in moist, humus-rich soil during summer and autumn. Hardy to UK zone H3, it 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 phengklaii 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 phengklaii

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 phengklaii?

Impatiens phengklaii prefers full shade. It suits sheltered positions.

What soil does Impatiens phengklaii need?

Impatiens phengklaii grows best in loam soil. It prefers neutral soil. Aim for soil that stays moist but well-drained.

Is Impatiens phengklaii hardy in the UK?

Impatiens phengklaii 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 phengklaii?

Seed sowing, stem cuttings.

More in the Impatiens genus

Browse all Impatiens