Garden hybrid

This is a garden hybrid, bred from more than one wild species, so it has no single species page of its own.

299 other cultivars

perennial

Hosta Kempen Magenta Blue

Q: What zones can Hosta Kempen Magenta Blue grow in?

Hosta Kempen Magenta Blue is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Q: Is Hosta Kempen Magenta Blue deer resistant?

Yes — Hosta Kempen Magenta Blue is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

Q: When does Hosta Kempen Magenta Blue bloom?

Hosta Kempen Magenta Blue typically blooms in mid-summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Q: Does Hosta Kempen Magenta Blue need full sun?

Hosta Kempen Magenta Blue does best in part shade.

Hosta x hybrida 'Kempen Magenta Blue'

$25.00

The Story

Plant Bio

Hosta x hybrida 'Kempen Magenta Blue' is a deciduous perennial forming a mound of lush, broad, blue-green leaves with vibrant magenta petioles (leaf stalks). In summer, it produces spikes of bell-shaped, lavender flowers.

This cultivar is distinguished by its striking magenta petioles which provide a colorful contrast to the cool-toned blue-green foliage.

Uses & Benefits:

Provides lush, attractive foliage year-round, especially in shaded gardens.

Helps retain moisture in shady garden beds, reduces weeds.

Supports local beneficial insects and adds organic matter when composted.

Garden hybrid

Bred from more than one wild species, so it has no species page of its own.

Essentials

At a Glance

Plant Type

Perennial

Height

12 inches

Width

24 inches

Light

Partial Sun, Shade

Zones

4, 5, 6, 7, 8, 9

Water

Moderate

Humidity

Prefers moderate humidity

Lifespan

Perennial

Native To

Cultivated hybrid

Toxicity

Toxic to dogs, cats, and horses

Bloom period

Mid-summer – Late summer

In flower about 2 months of the year

Marketplace

Where to Buy

NH Hostas

<1 Gal Pot1+ Gal PotPlugs

In Stock$25.00

Shipping costs Year-round shipping Free shipping

Planting

How to Grow

Choose a shaded spot with well-drained soil.
Tuck young plants into the soil at the same depth as in their containers.
Water thoroughly after planting to settle the soil.
Mulch around the base to retain moisture and suppress weeds.
Mist the leaves regularly during dry spells for optimal growth.
Divide every 3-4 years in early spring to maintain vigor.

Pro Tip

Plant in rich, moist soil and avoid direct sunlight for best foliage color.

Keep It Thriving

Care Guide

Do

Water regularly to keep soil moist 🌱
Mulch to conserve moisture and regulate temperature
Divide in early spring to rejuvenate

Don't

Avoid direct afternoon sun which can scorch leaves ❌
Don’t let soil dry out completely
Skip fertilizing during dormancy

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Deadhead
Divide
Fertilize
Pest Check
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Shaded border with variegated foliageSilver‑foliaged hedgeColorful shaded container

Companion Plants

Ferns Astilbe Heuchera LigulariaJapanese painted fern

Multiply

Propagation Methods

Good to Know

Common Questions