Not the plant you're looking for? Search over 300,000 plants

Solanum lycopersicum 'San Marzano'

tomato 'San Marzano'

A cordon plum tomato suitable for growing in a greenhouse or outdoors. It produces heavy crops of good sized red, plum tomatoes famous for sauces.

Join the RHS

Become an RHS Member today and save 25% on your first year

Join now
Buy this plant
Size
Ultimate height
1–1.5 metres
Time to ultimate height
1 year
Ultimate spread
0.5–1 metres
Growing conditions
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Yellow Green Red
Autumn
Winter
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Sheltered
Hardiness
H1C
Botanical details
Family
Solanaceae
Native to GB / Ireland
No
Foliage
Evergreen
Habit
Columnar upright
Genus

Solanum can be annuals, perennials, evergreen or deciduous shrubs or twining climbers, with simple or pinnnately lobed leaves and star- or bowl-shaped, 5-lobed flowers with prominent stamens, followed by fleshy fruits

Name status

Unresolved

How to grow

Cultivation

Grow in full sun, keep well watered and feed with a high potassium feed once fruit starts to set. See Tomatoes cultivation.

Propagation

Propagate by seed. See sowing vegetable seeds or sowing seeds indoors for further advice

Suggested planting locations and garden types
Pruning

Remove all side shoots as they appear. Pinch the growing tip when the plant has formed seven trusses under cover or four trusses outdoors

Pests

May be susceptible to glasshouse whitefly and tomato moth

Diseases

May be susceptible to honey fungus (rarely), potato blight, tomato blight, tomato leaf mould, tomato viruses, magnesium deficiency and blossom end rot. See Tomatoes: leaf problems

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.