The Garden Community for Garden Lovers

Giant Fennel

Garden Centre > Plants > Perennials > G

Sorry, we have no image available

Giant Fennel

£6.99

Sorry, this product is no longer available.

Position: full sun
Soil: moist but well drained soil
Rate of growth: fast Flowering period: June
Hardiness: fully hardy
A native to the Mediterranean from North Africa to Spain and the Canary Isles where it is often found in rocky places. This plant cannot fail to add a bit of pizzazz to the border. It is a superb and spectacular plant that can reach up to 2.5m tall when in flower, but the delicately divided foliage ensures it does not dominate. The airy foliage emerges in spring and forms a loose dome. When the weather warms up, a towering stem emerges, bearing a eruptions of bright yellow flowers. They are drought tolerant when older, but may become dormant if the soil becomes really dry.Garden care: Remove the flowerheads as they fade as the plants may die if they are left to set seed. They develop a large tap root, so dislike being moved when mature.



Need a little advice? We've got several articles to guide you through shopping online, together with helpful advice on choosing the right product for you.

We think these guides might be of interest: Perennials.


Our community of gardeners have a wealth of experience, beautiful garden and great photos, discover more on the following pages: border ideas.

Related Products

See all perennials.



* Support Grows on You when you shop via the Garden Centre.



Why shop via the Grows on You Garden Centre?

Yes Buy With Confidence

Yes Find Inspiration

Yes The Perfect Product

find out more

Basket Wishlist