Free standard delivery when you spend £75 or more on full-priced plants | T&Cs apply

Our bulb shop is now open | Preorder now

Shop

Information & Help

My account

crocus
Wish-list My wheelbarrow

Search for "biennial"

By type
Facing
How much sun
Soil type
Special conditions
Flowering month
Evergreen / deciduous
Fragrance
Attractive to wildlife
Quick growing
Eventual size
Special features
Sowing month inside or protected
Sowing month outside
Vegetable harvesting month
Planting combinations
Leaf colour
Ground cover
Position
Soil moisture
Used at Chelsea
Sort by popularity
Available items
Showing Flower colour : Yellow clear all
6 items
Euphorbia characias subsp. wulfenii
Euphorbia characias subsp. wulfenii
£9.99 - £49.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
6 × 9cm pots In stock (shipped within 2-3 working days)
2 litre pot available to order from autumn
3 × 2 litre pots available to order from autumn
0.75 star 1 star 1 star 1 star 1 star 4.8 5 21
Euphorbia characias Silver Swan ('Wilcott') (PBR)
Euphorbia characias Silver Swan ('Wilcott') (PBR)
£12.99 - £29.99
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
Verbascum (Cotswold Group) Cotswold Queen

50% off

Verbascum (Cotswold Group) 'Cotswold Queen'
£6.50 - £15.00
9cm pot In stock (shipped within 2-3 working days)
3 × 9cm pots In stock (shipped within 2-3 working days)
0 star 0 star 0 star 1 star 1 star 2.0 5 1
Oenothera biennis

25% off

Crocus collection
Oenothera biennis
£3.29 £2.47
approx 150 seeds In stock (shipped within 2-3 working days)
1 star 1 star 1 star 1 star 1 star 5.0 5 1
Smyrnium perfoliatum

25% off

Smyrnium perfoliatum
£3.99 £2.99
approx 20 seeds In stock (shipped within 2-3 working days)
American land cress

25% off

American land cress
£2.19 £1.64
approx 300 seeds In stock (shipped within 2-3 working days)

Copyright © Crocus.co.uk Ltd 2025. All rights reserved.