Purple Loosestrife Native Seed

Lythrum salicaria

Other names: black blood, sage willow

If Barbie was a little greener fingered she’d have the most comprehensive collection of loosestrife in all Britannia, electric pinks standing up to 2 metres tall. Alas, her loss can still be your gain.  

The good news for you loosestrife lovers, it’s an easy grower. It can grow where its damp, or dry, will still thrive in shade but will happily bask in all the sun’s glory.

A native wild flower to Britain, loosestrife will bring an exotic quality to your wild spaces. 

How to Plant

Cheap and Easy Method:

Scatter the seeds directly onto bare soil. Clear the area of any debris and lightly rake the soil to create a loose surface. Evenly broadcast the seeds, then lightly rake again to ensure good seed-to-soil contact.

More Involved Method:

Use a terram membrane to suppress unwanted vegetation. Add a layer of soil over the membrane, sow the seeds evenly, and press them in gently.

When to Plant

Plant Purple Loosestrife seeds in the spring (March to May) or early autumn (September to October).

Where to Plant

Purple Loosestrife thrives in moist, well-drained soil and full sunlight to partial shade.

Watering Schedule

Maintain consistent moisture in the soil during the establishment phase. Once established, occasional watering may be necessary during dry periods.

Blooming Period

Purple Loosestrife blooms from mid-summer through early autumn (July to September).

Expected Plant Height

Purple Loosestrife typically grows to a height of 60 cm to 1.5 metres.