How to Grow and Care for Large yellow loosestrife

Large yellow loosestrife, also known as Dotted loosestrife, Spotted loosestrife, Circle flower

Large yellow loosestrife is a robust, low-maintenance perennial plant well-suited to a variety of garden settings. Special care points include ensuring that large yellow loosestrife has adequate moisture, particularly in dry conditions, and managing its spread, as it can become invasive. Large yellow loosestrife thrives in full sun to partial shade and is generally disease- and pest-resistant, making its care straightforward.

Watering schedule: Every week

Sunlight Requirements: Full sun

In This Article

Planting and Growing Large yellow loosestrife

Toughness	High
Care Level	Medium
Care Difficulty	Easy
Lifespan	Perennial, Annual
Watering Schedule	Every week
Sunlight Requirements	Full sun
Soil Type	Garden Soil
Soil pH	5.5-7
Planting Time	Spring
Hardiness Zones	3-8

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Varieties of Large yellow loosestrife

Large yellow loosestrife 'Alexander'

With its upright growth habit, upbeat garden performance, and golden yellow flowers that bloom throughout the summer, the large yellow loosestrife 'Alexander' is set apart from other loosestrife cultivars. Its byname of Alexander was named after Donald Stuart Alexander, the late husband of discoverer Pauline Alexander. The large yellow loosestrife 'Alexander' is a naturally occurring cultivar, set apart by its leaf color mutation and creamy white foliage.

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More General Info About Large yellow loosestrife

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Quickly Identify Large yellow loosestrife

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Large yellow loosestrife is characterized by its robust, erect stature, often reaching about 3 feet (91 cm) in height. It forms expansive clumps with rhizomatous roots. The leaves of this perennial are whorled, providing a distinctive look. In late spring through fall, large yellow loosestrife produces a striking display of yellow flowers, each accented by an orange-red center, atop spikes. This plant thrives in moist, well-drained soils and prefers full sun to partial shade environments.