Overview
Impatiens 'Sil Ext Red' (NG) is a bushy, compact annual biennial in the genus Impatiens, part of the Balsaminaceae family, with fleshy, simple, toothed leaves foliage. Impatiens 'Sil Ext Red' (NG) 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 'Sil Ext Red' is a bushy, compact cultivar of the Impatiens genus, known for its fleshy stems and simple, toothed leaves. This plant thrives in moist, humus-rich loam soil with neutral pH, ideally in full shade or a north-facing, sheltered aspect. Suitable for bedding, containers, hanging baskets, or groundcover, it requires consistent watering to prevent wilting. Hardy to UK zone H3, it offers seasonal interest from spring through to autumn, reflecting the typical spurred, five-petalled flowers characteristic of 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 'Sil Ext Red' (NG) 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 'Sil Ext Red' (NG)
- 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 'Sil Ext Red' (NG)?
Impatiens 'Sil Ext Red' (NG) prefers full shade. It suits sheltered positions.
What soil does Impatiens 'Sil Ext Red' (NG) need?
Impatiens 'Sil Ext Red' (NG) grows best in loam soil. It prefers neutral soil. Aim for soil that stays moist but well-drained.
Is Impatiens 'Sil Ext Red' (NG) hardy in the UK?
Impatiens 'Sil Ext Red' (NG) 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 'Sil Ext Red' (NG)?
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)