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

Diamond Tiara Hostas

Hosta x hybrida 'Diamond Tiara'

The Story

Plant Bio

Hosta 'Diamond Tiara' is a compact, mound-forming perennial with heart-shaped, medium green leaves featuring irregular creamy-white margins. It produces scapes of lavender, bell-shaped flowers in mid-summer.

This cultivar is prized for its striking variegation, vigorous growth, and excellent adaptability to shaded garden conditions, making it a popular choice for ground cover and border planting.

Uses & Benefits:

Provides lush, variegated foliage year-round, adding texture and visual interest to shaded gardens.

Helps suppress weeds as groundcover and prevents soil erosion in shaded areas.

Supports pollinators with late-summer flowers and provides habitat for beneficial insects.

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 humid conditions

Lifespan

Perennial

Native To

Northeast Asia

Toxicity

Toxic to dogs, cats, and horses

Bloom period

Mid-summer – Late summer

In flower about 2 months of the year

Planting

How to Grow

Tuck rhizomes into well-drained, humus-rich soil in spring
Water regularly to keep soil moist but not waterlogged
Fertilize with balanced fertilizer in early spring
Divide every 3-4 years in early spring or fall
Mulch around the plant to retain moisture and suppress weeds
Monitor for slugs and snails, handpick or use organic bait

Pro Tip

Plant in dappled shade for best variegation and foliage health.

Keep It Thriving

Care Guide

Do

Water consistently to keep soil moist 🌱
Apply mulch to conserve moisture
Divide every few years to rejuvenate

Don't

Avoid overly wet or waterlogged soil ❌
Don’t expose to full sun, which can scorch leaves
Skip fertilizing in late fall

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

Silver-foliaged borderShaded woodland understoryTextural groundcover

Companion Plants

Ferns Astilbe HeucheraJapanese Forest Grass Ligularia

Multiply

Propagation Methods

Good to Know

Common Questions

Diamond Tiara Hostas questions

What zones can Diamond Tiara Hostas grow in?

Diamond Tiara Hostas 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 Diamond Tiara Hostas deer resistant?

Not reliably. Deer may browse Diamond Tiara Hostas, especially tender spring growth — plan on repellents or fencing where pressure is high.

When does Diamond Tiara Hostas bloom?

Diamond Tiara Hostas 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 Diamond Tiara Hostas need full sun?

Diamond Tiara Hostas does best in part shade.