Overview

Tropaeolum is a climbing annual biennial in the genus Tropaeolum, part of the Tropaeolaceae family, with deciduous foliage. Tropaeolum grows best in full sun and partial shade, and tolerates most soils and any pH. Its UK hardiness is rated H5. Suggested uses include wall side borders, city and courtyard gardens, coastal, patio and container plants, cottage and informal garden, wildlife gardens, flower borders and beds and garden edging.

About

Tropaeolum, commonly known as nasturtium, is a climbing plant from the Tropaeolaceae family. This cultivar features deciduous foliage and thrives in full sun or partial shade, preferring moist but well-drained soil types such as loam, sand, or chalk with a range of pH levels. It is hardy to UK zone H5 and is well suited to sheltered positions with various garden aspects. Ideal for use in wall side borders, city gardens, patios, and wildlife-friendly spaces, it flowers in spring and summer and can be propagated by seed, division, or stem tip cuttings.

Growing conditions

Best soil and position for Tropaeolum

Sunlight
Full sun, Partial shade
Soil type
Loam, Sand, Chalk
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Moist but well-drained
Aspect
East-facing, South-facing, North-facing, West-facing
Exposure
Sheltered
UK hardiness
H5

Plant details

Tropaeolum size, habit and characteristics

Plant type
Annual Biennial
Habit
Climbing
Foliage
Deciduous
Suggested uses
Wall side borders, City and courtyard gardens, Coastal, Patio and container plants, Cottage and informal garden, Wildlife gardens, Flower borders and beds, Garden edging

Care notes

Pruning and caring for Tropaeolum

Propagation
Seed, Division, Stem tip cuttings
Pest resistance
Glasshouse whitefly, Glasshouse red spider mite, Whitefly
Disease resistance
Virus diseases

Frequently asked questions

Where is the best place to plant Tropaeolum?

Tropaeolum prefers full sun and partial shade. It suits sheltered positions.

What soil does Tropaeolum need?

Tropaeolum is adaptable and grows happily in most soil types, including loam, sand and chalk. It is happy in soil of any pH. Aim for soil that stays moist but well-drained.

Is Tropaeolum hardy in the UK?

Tropaeolum has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.

How do I propagate Tropaeolum?

Seed, Division, Stem tip cuttings.

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