Garden hybrid

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

298 other cultivars

perennial

Hosta Grand Slam

Q: What zones can Hosta Grand Slam grow in?

Hosta Grand Slam 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 Grand Slam deer resistant?

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

Q: When does Hosta Grand Slam bloom?

Hosta Grand Slam 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 Grand Slam need full sun?

Hosta Grand Slam does best in part shade.

Hosta x hybrida 'Grand Slam'

$15.00

The Story

Plant Bio

Hosta x hybrida 'Grand Slam' is a shade-loving perennial with broad, lush green leaves and tall flower stems bearing lavender to purple bell-shaped flowers.

This cultivar is distinguished by its large, vigorous foliage and its striking, showy flower spikes that bloom in mid to late summer, making it a popular choice for shaded garden borders.

Uses & Benefits:

Provides lush, textured foliage and seasonal interest, thriving in shaded gardens.

Resilient to deer and drought, requiring minimal care once established.

Supports local pollinators with its subtle blooms and dense 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

22 inches

Width

42 inches

Light

Partial Sun, Shade

Zones

4, 5, 6, 7, 8, 9

Water

Moderate

Humidity

Moderate to high

Lifespan

Perennial

Native To

Asia (parentage)

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$15.00

Shipping costs Year-round shipping Free shipping

Planting

How to Grow

Tuck healthy rhizomes into well-draining soil
Water regularly to keep soil moist but not waterlogged
Mist foliage during dry spells for best growth
Place in partial shade for optimal leaf color
Mulch around base to retain moisture
Divide every 3-4 years to rejuvenate

Pro Tip

Plant in partial shade with rich, well-drained soil for best results

Keep It Thriving

Care Guide

Do

Water consistently during dry periods 🌱
Apply mulch to keep roots cool
Divide every few years to maintain health

Don't

Avoid full sun exposure ❌
Don't let soil dry out completely
Refrain from over-fertilizing

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 foliageSilver‑foliaged groundcover

Companion Plants

Ferns Astilbe HeucheraJapanese painted fern Ligularia

Multiply

Propagation Methods

Good to Know

Common Questions

Hosta Grand Slam questions

What zones can Hosta Grand Slam grow in?

Hosta Grand Slam 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 Grand Slam deer resistant?

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

When does Hosta Grand Slam bloom?

Hosta Grand Slam 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.

Does Hosta Grand Slam need full sun?

Hosta Grand Slam does best in part shade.