Overview

Impatiens marianae is a bushy, compact annual biennial in the genus Impatiens, part of the Balsaminaceae family, with fleshy, simple, toothed leaves foliage. Impatiens marianae 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 marianae, commonly known as balsam, is a bushy, compact cultivar within the Impatiens genus. These plants have fleshy, simple, toothed leaves and produce spurred flowers with five petals. Suited to full shade and north-facing, sheltered aspects, they thrive in moist but well-drained loam soil with a neutral pH. Hardy to UK zone H3, they are ideal for bedding, containers, hanging baskets, or groundcover. This cultivar is best grown in moist, humus-rich soil during summer and autumn 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 marianae 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 marianae

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 marianae?

Impatiens marianae prefers full shade. It suits sheltered positions.

What soil does Impatiens marianae need?

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

Is Impatiens marianae hardy in the UK?

Impatiens marianae 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 marianae?

Seed sowing, stem cuttings.

More in the Impatiens genus

Browse all Impatiens