Description

A large-flowering crocus, Crocus ‘Yellow Mammoth’, produces bold, golden-yellow blooms on sturdy stems. One of the brightest early spring bulbs, it creates a cheerful display in borders, lawns, and pots, lifting the garden with colour and attracting pollinators when little else is in flower.

 

At a Glance

Flowering period: February–March

Position: Full sun or partial shade

Height x Spread: 15cm x 8cm

Planting depth & spacing: 8–10cm deep, 5–8cm apart

Perfect for: Lawns, naturalising in borders, pots, rock gardens

Pollinator friendly: Yes, early nectar source for bees

 

Why We Love It

‘Yellow Mammoth’ is one of the most popular crocus varieties, admired for its large, bright yellow blooms that bring sunshine to the late-winter garden. It naturalises readily, forming clumps that increase in size each year for an ever-more dazzling display.

Ideal for scattering in grass for a meadow-like effect, planting in drifts through borders, or grouping in pots for a vibrant seasonal accent. Its strong colour also pairs beautifully with purple and white crocuses for a striking contrast.

 

How to Plant & Grow

• Plant from September to November before the ground freezes.
• Choose a sunny or partially shaded spot with well-drained soil.
• Plant bulbs 8–10cm deep and 5–8cm apart.
• Water well after planting, keeping soil moist but not waterlogged.
• Allow foliage to die back naturally to feed bulbs for the following year.

 

What’s in the Pack

• Pack of 10 top-quality bulbs
• Bulb size: 7/8cm

 

From Kapiteyn in the Netherlands

All our spring bulbs are supplied by Kapiteyn in the Netherlands, a grower committed to sustainability. Their farms are powered by over 1,500 solar panels, all packaging materials are 100% recyclable, and innovative water-saving technologies reduce environmental impact.

For delivery details, please see our Deliveries & Returns page.