Hosta x hybrida 'September Sun'
perennial

September Sun Hostas

Hosta x hybrida 'September Sun'

The Story

Plant Bio

Hosta x hybrida 'September Sun' is a deciduous perennial known for its large, broad, variegated leaves with a golden-yellow center and green margins, producing tall spikes of lavender flowers in late summer.

This cultivar is prized for its vibrant foliage that maintains its color into the fall, providing striking visual interest in shaded garden areas.

Uses & Benefits:

Ornamental UsesProvides lush, textured foliage with elegant summer blooms, enhancing shaded garden areas.
Practical UsesTolerant of drought and deer, requiring minimal maintenance.
Ecological BenefitsSupports pollinators and adds biodiversity to garden understories.
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

40 inches

Light

Partial Sun, Shade

Zones

4, 5, 6, 7, 8, 9

Water

Moderate

Humidity

Prefers moderate humidity

Lifespan

Perennial

Native To

Northeast Asia

Toxicity

Toxic to dogs, cats, and horses

Bloom period

Mid-summer – Late summer

J
F
M
A
M
J
J
A
S
O
N
D

In flower about 2 months of the year

Planting

How to Grow

  1. Tuck rhizomes into well-drained, fertile soil in spring.
  2. Water regularly to keep soil moist but not soggy.
  3. Apply mulch to retain moisture and suppress weeds.
  4. Divide plants every 3-4 years in early spring or fall.
  5. Remove dead leaves in early spring for cleaner appearance.
  6. Mist foliage during dry spells to prevent leaf scorch.

Pro Tip

Plant in partial shade for best foliage color and growth.

Keep It Thriving

Care Guide

Do

  • Water consistently during dry periods 🌱
  • Mulch annually to conserve moisture
  • Divide every 3-4 years for vigorous growth
  • Remove dead leaves in early spring

Don't

  • Avoid full sun which can scorch leaves ❌
  • Don’t let soil dry out completely
  • Avoid heavy, waterlogged soil
  • Don’t fertilize late in the season

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
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 silvery foliageUnderstory plant in woodland gardens

Companion Plants

Ferns Hosta varietiesAstilbeBleeding Heart Heuchera

Multiply

Propagation Methods

Good to Know

Common Questions

September Sun Hostas questions

What zones can September Sun Hostas grow in?

September Sun 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 September Sun Hostas deer resistant?

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

When does September Sun Hostas bloom?

September Sun 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 September Sun Hostas need full sun?

September Sun Hostas does best in part shade.

Keep exploring

Grow September Sun Hostas with confidence

See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.