perennial

Silver Posie Thyme

Thymus citriodorus 'Silver Posie'

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Perennial

Height

12 inches

Width

12 inches

Light

Full Sun, Partial Sun

Zones

5, 6, 7, 8, 9

Water

Low, drought-tolerant once established

Humidity

Low to moderate

Lifespan

Perennial

Native To

Cultivated hybrid

Toxicity

Non-toxic to humans and pets

The Story

Plant Bio

An upright, bushy, evergreen sub-shrub with aromatic, small, grey-green leaves edged in creamy white. Valued for its bright, silver-variegated foliage that provides year-round interest. It produces clusters of small, pale pink to lilac flowers in summer that are attractive to bees.

Bloom Period:

EarlyLate

Uses & Benefits:

Silver Posie adds a silvery, aromatic touch to herb gardens and borders, thriving in drought conditions.

Excellent for culinary uses, infusing dishes with lemony flavor.

Attracts pollinators like bees and butterflies, supporting local biodiversity.

Marketplace

Where to Buy

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

Shipping costs Year-round shipping Free shipping

Planting

How to Grow

Tuck seeds into well-drained soil in spring for best germination.
Mist cuttings regularly to maintain humidity and promote rooting.
Transplant seedlings when they are strong enough, typically after 6 weeks.
Prune lightly after flowering to encourage bushy growth and prevent legginess.
Mulch around plants to retain moisture and suppress weeds.
Fertilize with a balanced, slow-release fertilizer in early spring.

Pro Tip

Ensure excellent drainage; avoid overwatering to prevent root rot.

Keep It Thriving

Care Guide

Do

Water moderately, allowing soil to dry between watering 🌱
Prune after flowering to maintain shape and health
Apply organic compost annually for nutrients
Place in full sun for optimal growth

Don't

Overwater, which can lead to root rot ❌
Allow soil to stay waterlogged
Neglect pruning, which can cause legginess
Use heavy, clay soil that retains too much moisture ❌

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Harvest
Mulch
Prune

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Fragrant herb borderSilver-foliaged groundcoverDrought-tolerant shrub

Companion Plants

Lavender Rosemary Sage Thyme Oregano

Multiply

Propagation Methods

Good to Know

Common Questions

Silver Posie Thyme questions

What zones can Silver Posie Thyme grow in?

Silver Posie Thyme is hardy in USDA Zones 5–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Silver Posie Thyme deer resistant?

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

When does Silver Posie Thyme bloom?

Silver Posie Thyme 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 Silver Posie Thyme need full sun?

Silver Posie Thyme does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Silver Posie Thyme drought tolerant?

Yes — once established (usually after the first full season), Silver Posie Thyme handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.