perennialN. America Native

Japanese Catmint

Nepeta subsessilis

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Essentials

At a Glance

Plant Type

Perennial

Height

30 inches

Width

18 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8

Water

Moderate

Humidity

Average

Lifespan

Perennial

Native To

Japan

Toxicity

Non-toxic to humans and pets

The Story

Plant Bio

Nepeta subsessilis is a hardy herbaceous perennial known for its aromatic foliage and attractive bluish flowers. Unlike many other catmints, this species prefers consistently moist soils and is less drought tolerant. It has a more upright, non-flopping habit and larger leaves and flowers.

Bloom Period:

EarlyLate

Uses & Benefits:

Nepeta subsessilis offers attractive blue flowers and aromatic foliage, making it a charming addition to borders and pollinator gardens.

Its drought tolerance reduces water needs, and it can act as a natural pest repellent.

Supports pollinators like bees and butterflies, enhancing garden biodiversity.

Marketplace

Where to Buy

We couldn't find this plant listed online right now.

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Planting

How to Grow

Tuck seeds into well-draining soil in early spring for best germination.
Water regularly to keep soil moist but not waterlogged during establishment.
Mist cuttings with water and place in bright, indirect light for rooting.
Transplant seedlings when they are 4-6 inches tall into their permanent spot.
Fertilize lightly in spring with a balanced organic fertilizer.
Deadhead spent flowers to encourage continuous blooming.

Pro Tip

Ensure good air circulation around plants to prevent fungal issues and promote healthy growth.

Keep It Thriving

Care Guide

Do

Water deeply during dry spells 🌱
Prune after flowering to maintain shape
Apply organic mulch to retain moisture

Don't

Avoid overwatering to prevent root rot ❌
Don't let soil stay soggy
Refrain from heavy fertilization during dormant months

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Divide
Fertilize
Mulch
Prune
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Silver-foliaged borderHerbaceous perennial bedWildflower meadow accent

Companion Plants

Lavender Salvia Echinacea Yarrow Coreopsis

Multiply

Propagation Methods

Good to Know

Common Questions

Japanese Catmint questions

What zones can Japanese Catmint grow in?

Japanese Catmint is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Japanese Catmint deer resistant?

Yes — Japanese Catmint is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Japanese Catmint bloom?

Japanese Catmint typically blooms in early summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Japanese Catmint need full sun?

Japanese Catmint does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.