Overview
Impatiens walleriana 'Expo Lavender Blue' (Expo Series) is a bushy, compact annual biennial in the genus Impatiens, part of the Balsaminaceae family, with fleshy, simple, toothed leaves foliage. Impatiens walleriana 'Expo Lavender Blue' (Expo Series) 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 walleriana 'Expo Lavender Blue' is a cultivar of the Impatiens genus, known for its annual, bushy, and compact habit. This busy lizzie features fleshy, simple, toothed leaves and thrives in moist, humus-rich loam soil with neutral pH. It prefers full shade and a sheltered, north-facing aspect, making it suitable for bedding, containers, hanging baskets, or groundcover. The plant is hardy to UK zone H3 and is best grown in spring, summer, and autumn, requiring consistent watering to prevent wilting in dry conditions.
About the genus
Impatiens is a genus of more than 1,000 species of flowering plants, widely distributed throughout the Northern Hemisphere and the tropics. Together with the genus Hydrocera, Impatiens make up the family Balsaminaceae.
Wikipedia contributors, "Impatiens", CC BY-SA 4.0 — Impatiens
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 walleriana 'Expo Lavender Blue' (Expo Series) 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 walleriana 'Expo Lavender Blue' (Expo Series)
- 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 walleriana 'Expo Lavender Blue' (Expo Series)?
Impatiens walleriana 'Expo Lavender Blue' (Expo Series) prefers full shade. It suits sheltered positions.
What soil does Impatiens walleriana 'Expo Lavender Blue' (Expo Series) need?
Impatiens walleriana 'Expo Lavender Blue' (Expo Series) grows best in loam soil. It prefers neutral soil. Aim for soil that stays moist but well-drained.
Is Impatiens walleriana 'Expo Lavender Blue' (Expo Series) hardy in the UK?
Impatiens walleriana 'Expo Lavender Blue' (Expo Series) 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 walleriana 'Expo Lavender Blue' (Expo Series)?
Seed sowing, stem cuttings.
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