Allium cepa (Aggregatum Group) 'Longor'PBR

RHS Plant Profile
shallot 'Longor'
shallot 'Longor' Michael John Day
Award of Garden Merit
Herbs - Culinary Bulbs

A bulbous perennial grown as a vegetable with long strappy grey-green leaves. These elongated edible French shallots have a purple-brown outer skin and pink flesh ready for harvest from summer well into autumn.

Position

Full sun

Soil Types

Chalk, Loam, Sand, Clay

Max Height

0.1-0.5 metres

Max Spread

0-0.1 metre

Size

Time to Maturity
1 year
Max Spread
0-0.1 metre
Max Height
0.1-0.5 metres

Growing Conditions

Chalk Loam Sand Clay
Moisture
Well–drained
pH
Neutral

Position

Full sun
Aspect
South–facing or West–facing
Exposure
Sheltered
Hardiness
H3

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Amaryllidaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Clump forming
Genus
Allium are bulbous herbaceous perennials with a strong onion or garlic scent, linear, strap-shaped or cylindrical basal leaves and star-shaped or bell-shaped flowers in an umbel on a leafless stem
Name Status
Accepted

How to Grow

Cultivation

Will grow well in any fertile well-drained soil in a sunny position. Can be grown in containers. Ready to harvest within 90 days when leaves turn yellow and flop over. See allium cultivation for further advice

Propagation

Propagate by seed or by onion sets. See how to grow: onions or sowing vegetable seeds

Suggested planting locations and garden types

  • Patio and container plants
  • Low Maintenance
  • Flower borders and beds

Pruning

May require deadheading

Pests

May be susceptible to Onion fly, Onion leafminer, Leak moth

Diseases

May be susceptible to downy mildew, white rot