Culvers Root

Veronicastrum virginicum

American Beauties®

Native Culvers Root Reaches 5-7 Feet Tall, Creating Dramatic Vertical Accents Butterflies Adore
Cold Hardy: Thrives in Zones 3-7
Grows 3-6 ft Tall, 2-4 ft Wide
Showy Blue, White Blooms From Early Summer to Late Summer
Native, Pollinator-Friendly - Attracts Butterflies

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Planting & Care

Where to Plant

Sunlight: Choose a spot that receives at least 6 hours of direct sunlight to ensure the tall flower spikes remain strong and upright. While it tolerates partial shade, the stems may lean or require staking if they do not get enough light.
Soil: This plant prefers moist, rich, and loamy soil that mimics a meadow environment. If you have heavy clay, mix in plenty of organic compost to help the soil hold moisture without becoming stagnant or compacted.

Watering Requirements

During the first year, keep the soil consistently moist to help the deep root system establish itself. Mature plants can handle brief dry periods, but they prefer regular deep soakings that reach the root zone. If the plant dries out too much, you will see the lower leaves turn yellow and drop as a sign of stress.

Pruning Tips

Culver's Root blooms on new wood, so the best time to prune is in late winter or early spring before new growth starts. Think of this like a fresh start for the season by cutting the old stems down to about 2 inches above the ground. You can also deadhead the central flower spike after it fades to encourage the smaller side branches to produce a second flush of blooms.

Fertilizer Needs

Apply a balanced, slow release fertilizer or a thick layer of finished compost in early spring as the first shoots appear. Avoid using high nitrogen fertilizers in mid to late summer because they promote weak and spindly growth. This rapid growth makes the tall stems more likely to flop over during heavy summer rains or wind.

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Tall Native Blooms for Pollinators - Culvers Root!

White-Lavender Floral Spikes
Deep-Green Foliage
Upright, Strong Verticle Accent
Easy Care & Low Maintenance
Beneficial Pollinator Friendly
Full Sun Native

Also known as Black Root, Culvers Root (Veronicastrum virginicum) is a hardy native perennial. These pollinator magnets add vertical interest to the wildflower garden.

Often over 5' tall, mid-summer brings candelabra-like, branched flower spikes, resembling their Veronica botanical namesake. Blooms are white with a lavender tinge and are loved by butterflies!

Growing from deep-green basal foliage that forms whorls with very sturdy stems in full sun.

How to Use Culvers Root In The Landscape

The height of these native perennials makes them perfect as back-of-the-border and vertical accents.

Prairie, Wildflower and Naturalized garden settings are lovely locations. Preferring moist to average soil, Rain gardens and soggy sites.

Blooming all summer, these are fantastic as tall additions to your Cut Flower gardens, plus amazing in Cottage gardens and Perennial beds and borders.

#ProPlantTips For Care

Full sun provides the strongest stems, although when planting in warmer growing zones 3-8, these do appreciate light shade.

Native plants that don't mind occasionally wet to moist soil, doing best in average, well-drained soil.

Control the size by pruning back before they bloom and dead-heading to extend bloom time.

Culvers Root is an amazing tall addition to native and prairie garden design! Tough and adaptable, you will be glad you included this fantastic plant! Order from Nature Hills today!

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Growing Zones 3-7

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Frequently Asked Questions

What planting zones is Culver's Root hardy in?

Culver's Root is hardy in USDA zones 3-8. This native perennial thrives in full sun in cooler zones, but appreciates light shade in the warmer end of its range. Plant in average, well-drained soil for best results.

Is Culver's Root a fast-growing or slow-growing perennial?

Culver's Root is a moderate to fast-growing perennial that reaches over 5 feet tall by mid-summer in zones 3-8. Once established, it produces sturdy stems and candelabra-like flower spikes reliably each season. Plant in full sun with moist, well-drained soil for best growth, available at naturehills.com.

Is Culver's Root deer resistant?

Culver's Root is generally deer resistant due to its bitter taste and tough texture. This native perennial's sturdy 5+ foot stems and deep-green foliage are typically avoided by deer in zones 3-8. Plant in back borders where its height naturally deters browsing.

Does Culver's Root require any special fertilization or feeding?

Culver's Root thrives without special fertilization as a hardy native perennial. These tough plants naturally adapt to average, well-drained soils in zones 3-8. Focus your care on providing proper drainage rather than feeding for best results.

Should I cut back Culver's Root in fall or leave it standing for winter?

Leave Culver's Root standing through winter for seed-eating birds and visual interest. The sturdy 5+ foot stems hold up well in zones 3-8 and provide structure to the winter garden. Cut back in early spring before new growth emerges for best results.

Can Culver's Root tolerate wet or poorly draining soil conditions?

Culver's Root thrives in moist to wet soil conditions and tolerates occasional soggy sites, making it excellent for rain gardens. This native perennial actually prefers moist soil over dry conditions. Plant it in areas with poor drainage where other perennials might struggle.