perennial

Sweet Marjoram

Origanum majorana

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Perennial

Height

18 inches

Width

18 inches

Light

Full Sun, Partial Sun

Zones

Water

Low to Medium

Humidity

Average

Lifespan

Tender Perennial / Annual

Native To

Mediterranean region

Toxicity

Non-toxic

The Story

Plant Bio

Origanum majorana, or sweet marjoram, is a tender perennial herb, typically grown as an annual in cooler climates. It forms a bushy, mounded sub-shrub valued for its highly aromatic, gray-green leaves used in cooking. Distinguished by its mild, sweet flavor with pine and citrus notes, which is less pungent than its relative, oregano. Its tiny, whitish flowers bloom in distinctive knot-like clusters, giving it the alternative common name 'Knotted Marjoram'.

Bloom Period:

EarlyLate

Uses & Benefits:

Origanum majorana adds aromatic foliage and attracts pollinators, enhancing garden scent and biodiversity.

Commonly used in culinary dishes, teas, and herbal remedies for its flavor and medicinal properties.

Supports beneficial insects, reduces pests naturally, and improves soil health.

Marketplace

Where to Buy

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Planting

How to Grow

Tuck seeds into well-drained soil in spring for best germination.
Mist cuttings regularly to maintain humidity and root within 4-6 weeks.
Transplant seedlings when they have 2-3 sets of true leaves.
Water moderately, allowing soil to dry between watering.
Fertilize monthly with a balanced organic fertilizer during growing season.
Prune regularly to encourage bushy growth and prevent legginess.

Pro Tip

Plant in full sun with well-draining soil for the best aroma and flavor.

Keep It Thriving

Care Guide

Do

Water when the top inch of soil feels dry 🌱
Prune after flowering to promote new growth
Use organic compost to enrich soil

Don't

Overwater to avoid root rot ❌
Allow soil to stay soggy
Plant in shady areas

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Fertilize
Harvest
Pinch
Plant
Prune
Winter Prep

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Fragrant herb borderSilver-foliaged groundcoverAromatic container garden

Companion Plants

Tomatoes Eggplants Basil Chives Rosemary

Multiply

Propagation Methods

Good to Know

Common Questions

Sweet Marjoram questions

What zones can Sweet Marjoram grow in?

Sweet Marjoram is hardy in USDA Zones 9–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Sweet Marjoram deer resistant?

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

When does Sweet Marjoram bloom?

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

Does Sweet Marjoram need full sun?

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

Is Sweet Marjoram drought tolerant?

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