Medicinal plants

Verbena hastae

Blue vervain is a hardy native perennial with erect purple flower spikes, very popular with bees, butterflies, and pollinators in natural gardens and wildflower meadows.

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Hardiness Zone 3
Difficulty level Easy

Discover the plant

Family Verbenaceae

Blue vervain is a slender, native perennial appreciated for its long, purplish-blue flower spikes that bring a natural, vertical, and airy touch to the garden. It integrates very well into perennial beds, pollinator gardens, naturalized landscapes, wetlands, and meadow-style settings. Its delicate bloom attracts attention without being too overwhelming, making it an excellent plant for adding movement, height, and a beautiful rustic presence to outdoor spaces.

Easy to grow, blue vervain prefers a sunny to slightly partly shaded location, in cool to moist, rich, and well-drained soil. It tolerates humidity better than many other full-sun perennials, making it interesting for rain gardens, banks, landscaped ditches, or areas where the soil retains some moisture. Once well established, it forms a robust and durable plant, capable of returning year after year with little maintenance.

Highly appreciated by bees, butterflies, and other pollinators, blue vervain is ideal for creating a vibrant, ecological, and biodiverse garden. Its flower spikes pair beautifully with monardas, eupatoriums, echinaceas, grasses, rudbeckias, and other natural-style perennials. It is an excellent plant for gardeners looking for a hardy, floriferous, native perennial perfect for enriching naturalized landscapes or wildlife-friendly gardens.

Verbena hastae

Planting guide

From plantingto establishment.

Propagation Sowing or division

Soil and care

The rightconditions.

Soil pH Slightly acidic to neutral
Fertilization Light compost in spring; moderate fertilization in poor soil
Care level Easy
Seasonal care
Cut back faded flowers to limit self-seeding; prune dry stems in autumn or spring; divide as needed

Container growing

A controlledenvironment.

Container culture possible in a large, well-drained pot
Verbena hastae

Bloom and dimensions

The completeprofile.

Bloom periodSummer to early autumn
Flower colorViolet to purplish blue
Foliage colorGreen
Foliage typeObsolete
FruitingLate-season seeds
Maximum height60 to 150 cm (24 to 60 inches)
Maximum width45 to 60 cm (18 to 24 inches)
Growth rateAverage growth
Hardiness zoneZone 3
Minimum temperature-30°C
Verbena hastae

Garden associations

What to plantwith it.

Pollinator garden, wildflower meadow, natural bed, cool border, native garden

Its strengths, naturally.

Not recommended for pets
Not recommended for pets

Pets

Butterflies
Plants that attract butterflies

Butterflies

Deer
Less attractive or generally tolerated by deer

Deer