Hardy Marjoram

Marjoram

60d to harvest

Fragrant at first touch, Hardy Marjoram unfurls a rich, resinous aroma with sweet, piney warmth and a softly peppered finish. Its small, velvety leaves form tidy, upright clumps that hold their character through cool weather—ideal for gardeners who want dependable flavor from spring into fall. Grow it for bold seasoning in dried blends and for finishing sauces, soups, and savory roasts, or for fresh snipping to brighten everyday dishes with its unmistakable marjoram perfume.

Crop Dates

Growing note: In frost-free Zone 11a, grow this cool-season crop during the cooler dry season (October–February).

Milestone	Date
Start Indoors	—
Climate	Frost-Free Climate
Transplant / Sow Outdoors	Oct 1st
Harvest Begins	Nov 30th
Harvest Ends	Feb 28th

Crop Details

Trait	Value
Days to Maturity	60
Sun Requirements	Full Sun
Growth Habit	Upright
Support Needed	None
Planting Depth	Surface
Germination Temp (°F)	70
Min Soil Temp (°F)	50
Min Night Temp (°F)	35
Harden Off (days)	7

Frequently Asked Questions

What pests or diseases commonly affect Origanum × majoricum (hardy marjoram), and how can I manage them?

Hardy marjoram is prone to fungal issues like powdery mildew when nights stay humid and airflow is poor. Water at the soil line, space plants for airflow, and remove any heavily spotted leaves; if mildew keeps returning, spray with a labeled horticultural sulfur product and repeat per label directions. Watch for aphids on tender growth—spray plants with a strong stream of water and, if needed, use an insecticidal soap on the affected stems and leaf undersides.

How often should I water Hardy Marjoram during the main growing phase?

During the active growth period, water deeply only when the top 1 inch of soil feels dry, aiming for consistently moist but not soggy conditions. Origanum × majoricum prefers well-drained soil; in heavy or slow-draining beds, reduce frequency to prevent root stress and fungal problems. After plants are established, you can let the soil dry slightly more between waterings to keep flavor and health strong.

How do I know when Hardy Marjoram is ready to harvest?

Harvest when plants are about 8–10 inches tall and before heavy flowering for the best leaf flavor, typically around 60 days after sowing. Take sprigs in the morning, cutting just above a leaf pair to encourage side shoots; avoid stripping more than about one-third of the plant at a time. If you see many open flowers, leaves become more bitter, so shift to light, selective harvesting.