Botanical Name

Lysimachia clethroides

Commonly known as Gooseneck Loosestrife

Lysimachia clethroides (Gooseneck Loosestrife)
Perennial

Gracefully arching white flower spikes that curve at the tips like a goose neck. Spreads vigorously in moist soil.

Quick Reference
Bloom Season
Jul to Aug
USDA Zones
3-9
Sun
Full Sun or Part Sun
Water
Moderate - regular watering
Mature Height
2-3'
Bloom Colors
White
Pollinator Friendly Cut Flower Low Maintenance
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Companion plants, planting tips, FAQ, and more

About This Name

Lysimachia clethroides is the scientific name used by botanists, nurseries, and seed catalogs to identify Gooseneck Loosestrife unambiguously. The genus Lysimachia places it within a specific plant family, and using the botanical name avoids the confusion that comes with regional common names. If you're shopping for Gooseneck Loosestrife, looking up plant care details, or comparing varieties, searching by Lysimachia clethroides will give you the most precise results.