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 Valley's Lemon Squash

Hosta x hybrida 'Valley's Lemon Squash'

The Story

Plant Bio

Hosta x hybrida 'Valley's Lemon Squash' is a perennial shade-loving plant featuring broad, lush foliage with a distinctive yellow-green hue and bell-shaped, lavender flowers that bloom in summer.

This cultivar is prized for its vibrant, lemon-yellow foliage that brightens shaded garden areas and its vigorous growth habit.

Uses & Benefits:

Provides lush, textured foliage year-round, adding depth to shaded gardens.

Suppresses weeds effectively as groundcover.

Supports pollinators with insect-attracting foliage.

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

24 inches

Light

Partial Sun, Shade

Zones

4, 5, 6, 7, 8, 9

Water

Moderate

Humidity

Prefers moderate humidity

Lifespan

Perennial

Native To

Asia

Toxicity

Toxic to dogs, cats, and horses.

Bloom period

Early summer – Mid-summer

In flower about 2 months of the year

Planting

How to Grow

Tuck seeds or divisions into moist, well-drained soil in early spring
Water regularly to keep soil consistently moist
Apply a layer of mulch to retain moisture and suppress weeds
Fertilize with a balanced fertilizer in early spring and mid-summer
Divide every 3-4 years to maintain health and vigor
Protect from direct afternoon sun in hot climates

Pro Tip

Plant in partial shade for vibrant foliage and best growth

Keep It Thriving

Care Guide

Do

Water consistently to keep soil moist
Mulch to retain soil moisture 🌱
Divide in early spring or fall

Don't

Avoid direct afternoon sun in hot climates ❌
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
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 textured foliageGroundcover under treesShade garden accent

Companion Plants

Ferns Astilbe HeucheraJapanese painted fern Ligularia

Multiply

Propagation Methods

Good to Know

Common Questions

Hosta Valley's Lemon Squash questions

What zones can Hosta Valley's Lemon Squash grow in?

Hosta Valley's Lemon Squash 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.

Is Hosta Valley's Lemon Squash deer resistant?

Not reliably. Deer may browse Hosta Valley's Lemon Squash, especially tender spring growth — plan on repellents or fencing where pressure is high.

When does Hosta Valley's Lemon Squash bloom?

Hosta Valley's Lemon Squash 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.

Does Hosta Valley's Lemon Squash need full sun?

Hosta Valley's Lemon Squash does best in part shade.