Purple Loosestrife Flower Seeds

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$16.99
$16.99
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Purple Loosestrife produces tall flowering spikes covered with vibrant purple blossoms that create impressive vertical colour in ornamental gardens. The upright plants develop abundant flowers throughout the blooming season and add structure to borders and landscape beds. Suitable for decorative planting schemes, this perennial offers bold colour and elegant floral displays.
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Purple Loosestrife Flower Seeds

$16.99

Planting Season

Spring

Light Requirement

Full Sun

Plant Height

90–150 cm

Indoor/Outdoor

Outdoor
Planting Information
Life Cycle Perennial
Plant Characteristics Tall purple flower spikes
Plant Type Ornamental Flower
Flavour Profile Not Applicable
Life Perennial
Germination Time 14–30 Days
Fruit Size 15–30 cm spikes
Soil Type Moist fertile soil
Soil pH 6.0–7.5
Spacing Between Plants 45–60 cm
Watering Needs Moderate to High
Harvest Time Not Applicable
Bloom Season Summer
Seeds per Pack 100
Seed Type Open Pollinated
Yield Potential Open Pollinated Dense flowering spikes
GTIN 36002106003836

Sow on moist seed mix. Press lightly onto surface. Maintain consistent moisture. Transplant after seedlings establish.

Grow in moist fertile soil. Water regularly. Provide full sunlight. Remove spent flower spikes after blooming.

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Frequently Asked Questions

Everything you need to know before you sow.

What is the botanical name of purple loosestrife?

Purple loosestrife is commonly known as Lythrum salicaria, a perennial flowering plant with upright stems and purple flower spikes.

What do purple loosestrife flower spikes look like?

The flowers are arranged densely along upright spikes, creating a tall, vertical display above the foliage.

Can purple loosestrife grow near water features?

It is associated with moist habitats, so it may suit ornamental areas with consistently moist soil. Check local regulations before planting, as it can be invasive in some regions.

Does purple loosestrife attract flower-visiting insects?
Its clustered flowers can be visited by bees, butterflies and other insects during the flowering period.

Can purple loosestrife add height to a perennial border?

Yes. Its upright stems and flower spikes can provide vertical structure behind shorter plants.

Is purple loosestrife suitable for small garden spaces?
It can become a substantial perennial, so smaller gardens should allow enough room for mature growth and consider local planting guidance.

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