slenderleaf false foxglove (Agalinis tenuifolia) plant — close-up photo
Moderate to grow

slenderleaf false foxglove

Agalinis tenuifolia

Overview

The slenderleaf false foxglove is a stunning plant species with flowers in soft shades of white, lavender and pink. Dainty and delicate, the slenderleaf false foxglove is native to North America and can be found in sunny, moist meadows or open woods. It also attracts pollinators, making it beneficial to nearby gardens and landscapes. Its delicate beauty and resilience make it a great choice for home gardens, as it can handle drought, shade, and light. Finally, the slenderleaf false foxglove blooms for multiple weeks in the summer and adds a splash of texture and color to any garden.

Care Guide

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Watering

Slenderleaf false foxglove requires moderate water. Water deeply and regularly to ensure healthy growth. During the spring and summer months, water every 7-10 days, making sure the soil has had a chance to dry out between waterings. During fall and winter months, water about every 3 weeks when the weather is dry or when the soil looks dry. In tropical climates or areas with high humidity, water about once every 10-14 days. Over-watering can lead to root and pest problems, so make sure the soil is not soggy.

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Light

The slenderleaf false foxglove (Agalinis tenuifolia) requires partial shade to full sun and is best grown in soil that is consistently moist. It performs best when planted in a site that receives 6-8 hours of direct sunlight per day and will sometimes reach for brighter pockets of light. Avoid sites that are too shaded or too wet as these can encourage fungal disease.

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Soil

Sand, Loam

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Temperature

Hardiness zone 2-11.

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Pruning

Slenderleaf false foxglove (Agalinis tenuifolia) should be pruned twice in a year, once in early spring and once in late summer. During early spring pruning, old and dead flower stalks should be removed and any dead foliage should be pruned back to allow for more growth. During late summer pruning, lightly remove about 1/3 of new growth to promote bushiness and flowering for the following season. Pruning slimmerleaf false foxglove too much or too aggressively can damage the plant, so pruning should be done with caution.

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Propagation

Seed Propagation, Cutting, Division, Layering Propagation

Uses & Symbolism

Attracts: Butterflies, Bees.

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