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 Cool Dreams

Q: What zones can Hosta Cool Dreams grow in?

Hosta Cool Dreams 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 Cool Dreams deer resistant?

Not reliably. Deer may browse Hosta Cool Dreams, especially tender spring growth — plan on repellents or fencing where pressure is high.

Q: When does Hosta Cool Dreams bloom?

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

Q: Does Hosta Cool Dreams need full sun?

Hosta Cool Dreams does best in part shade.

Hosta x hybrida 'Cool Dreams'

$17.00

The Story

Plant Bio

Hosta x hybrida 'Cool Dreams' is a deciduous perennial with broad, lush green leaves that develop a silvery-blue hue, complemented by tall, bell-shaped white flowers that bloom in summer.

This cultivar is prized for its striking silvery-blue foliage and its vigorous growth habit, making it an excellent choice for shaded garden borders and containers.

Uses & Benefits:

Provides lush, textured foliage that enhances shaded garden areas.

Helps suppress weeds in shaded beds with its dense growth.

Supports beneficial insects and provides habitat in shaded landscapes.

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

16 inches

Width

30 inches

Light

Partial Sun, Shade

Zones

4, 5, 6, 7, 8, 9

Water

Moderate

Humidity

Moderate to high

Lifespan

Perennial

Native To

Northeast Asia

Toxicity

Toxic to dogs, cats, and horses

Bloom period

Early summer – Mid-summer

In flower about 2 months of the year

Marketplace

Where to Buy

NH Hostas

<1 Gal Pot1+ Gal PotPlugs

In Stock$17.00

Shipping costs Year-round shipping Free shipping

Planting

How to Grow

Choose a shaded location with well-draining soil.
Tuck young plants into the soil, spacing 18-24 inches apart.
Water thoroughly after planting and keep soil moist.
Mulch around the base to conserve moisture and suppress weeds.
Fertilize in early spring with a balanced slow-release fertilizer.
Divide every 3-4 years in early spring or fall to maintain vigor.

Pro Tip

Plant in partial to full shade for best foliage color and health.

Keep It Thriving

Care Guide

Do

Water regularly to keep soil evenly moist 💧
Apply mulch to retain moisture and insulate roots 🌱
Divide every few years to rejuvenate the plant

Don't

Avoid direct afternoon sun which can scorch leaves ❌
Don’t let soil dry out completely
Refrain from over-fertilizing to prevent leaf burn

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Shaded woodland borderTextured groundcover beneath trees

Companion Plants

Ferns Astilbe HeucheraJapanese painted fern

Multiply

Propagation Methods

Good to Know

Common Questions