Seeds - Marjoram, Sweet OG

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Description: A milder, sweeter cousin to oregano. Complements meats, veggies, sauces and dressings. Use fresh or dried. Sweet Marjoram does very well direct-seeded into warm soil, either in containers or the garden; however, avoid seed-grown nursery transplants, as they are often weak and prone to fungal rot (that said, indoor perennial cutting-grown selections such as Compact Greek Marjoram are wonderful as nursery transplants!).

Pack Size: 1/10 gram

Latin Name: Origanum marjorana
Main Uses: Culinary herb
Zone Hardiness: 85 days
Exposure: Full Sun
Height: 30 cm (12 inches)
Flower Color: White (insignificant)
Flowering Time: Late summer
Certified Organic: USDA Certified Organic

Germination: 7-14 days at 21ºC.
Sowing Indoors:  Start 4-6 weeks before last frost, in 3" pots. Plant 2 to 4 seeds per pot. Provide warmth and bright light. For best results, apply Sea Magic™ kelp from first watering. Apply a seedling-starter fertilizer such as Evolve Seedling once the second set of true leaves has appeared, and then alternate between the kelp and seedling starter until transplant.
Planting depth: 1/4" - push seed firmly into soil medium.
Spacing: space 6 to 12 inches apart.
Planting out: Harden off transplants in protected areas after risk of frost has passed. Transplant into garden when transplants reach 3 to 4 inches in height. Plant in well drained, fertile soil once seedlings have well developed roots, soil has warmed, and all chance of frost is past.  Prefers full sun to partial shade.

Growing in Containers: Marjoram does well in 6-inch pots and larger.

Fertilizing (Containers): Add 25% quality compost to your potting mix. Fertilize through the summer months with an all purpose organic fertilizer.

Watering (Containers): Water deeply when soil is dry to the touch. Check daily during hot weather.

Growing in Mixed Planters: Marjoram mixes well with other culinary herbs and container vegetables.

Fertilizing (Garden): Amend garden soil annually with quality compost.

Watering (Garden): Water new transplants regularly to establish roots. Once established, water deeply as required.

Garden Companions: 

  • Often planted with other culinary herbs such as oregano, thyme, rosemary, sage, parsley, dill, cilantro and basil.

Special Requirements for Cold Climate Gardeners: Sweet Marjoram loves heat and well drained soil - these are critical to its success. Seedlings require very good air circulation - thin seedlings to avoid damping off.

Pest/Disease Issues: Damping-off is a common problem when germinating marjoram seeds. Damping-off can be prevented by planting in high daylight conditions or under lights, ensuring good air circulation, not over crowding seedlings, and applying Sea Magic™ kelp from first watering.

Suitability for Indoors: Not well-suited for indoors, unless under lights.

Exposure: 6 - 8 hours of direct sunlight.

What about Grow Lights? Grow lights make a huge difference if growing marjoram indoors!

Indoor Container Suggestions: Grow in minimum 6", individual pots. Mixed planters are not recommended for indoors.

Winter Fertilizing: If growing under lights, fertilize monthly with a balanced organic fertilizer.

Winter Watering: If under lights, water deeply 1 to 2 times per week, or when soil feels dry to the touch. Do not keep soggy.

Special Instructions: If you decide to grow marjoram indoors, we recommend grow lights. Prune often to encourage bushiness and situation in a location with good air circulation.

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