Tropaeolum majus Alaska Series (v)
nasturtium Alaska Series
Dwarf, bushy annuals to 30cm tall, with rounded leaves speckled and splashed with creamy-white, and single flowers to 6cm wide, in shades of cream, yellow, orange and mahogany-red
Buy this plant
Size
Ultimate height
0.1–0.5 metresTime to ultimate height
1 yearUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Well–drainedpH
Acid, Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Green White | |||
---|---|---|---|---|
Summer | Cream Orange Red Yellow | Green White | ||
Autumn | Cream Orange Red Yellow | Green White | ||
Winter |
Position
- Full sun
Aspect
West–facing or South–facing
Exposure
Exposed or Sheltered Hardiness
H3Botanical details
- Family
- Tropaeolaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Bushy
- Potentially harmful
- Skin allergen. Wear gloves and other protective equipment when handling
- Genus
Tropaeolum can be annuals or perennials, bushy, trailing or climbing by twining stems, with simple or palmately lobed leaves and showy funnel-shaped flowers with five long-clawed petals and often a spur
- Name status
Accepted
How to grow
Cultivation
Best grown in poor, well-drained soil in full sun, if the soil is too rich foliage will be produced at the expense of flowers
Propagation
Propagate by stem tip cuttings
Suggested planting locations and garden types
- City and courtyard gardens
- Coastal
- Patio and container plants
- Cottage and informal garden
- Wildlife gardens
- Flower borders and beds
- Garden edging
Pruning
Cut back after flowering
Pests
May be susceptible to glasshouse whitefly and glasshouse red spider mite and whitefly
Diseases
May be susceptible to virus diseases
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.