Rosemary in a red clay pot on a white background.
Rosemary soup on light tan, checkered table cloth.
Rosemary Lavender soap
Rosemary sprigs with leaves on bread
Rosemary in a red clay pot on a white background.
Rosemary soup on light tan, checkered table cloth.
Rosemary Lavender soap
Rosemary sprigs with leaves on bread

Rosemary Seeds,
Rosy

3.530 ReviewsSKU: #HB218Min. seed count: 50
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Description

(Salvia rosmarinus). The plant has been used for centuries, both medicinally and in the kitchen. Small evergreen shrub is covered with needle-like aromatic leaves and a myriad of tiny pink or blue flowers in summer. Perennial in mild winter climates; elsewhere, grow in containers for overwintering indoors. The dark green leaves may be used fresh or dried. Flowers are beloved by bees. We offer select seed that is easier to start, but it still can be somewhat challenging. The plants are lovely and can live for years with proper care.

Growing Tips: Rosy rosemary thrives in well-drained, sandy or loamy soil and benefits from slightly alkaline conditions. Avoid overwatering, especially in humid climates, to prevent root rot. Prune lightly to encourage branching and prevent legginess.

Plant Details

Botanical Name
Salvia rosmarinus
Life Cycle
Perennial zones 8–11
Sun Requirement
Full sun
Days to Germinate
14–28
Days to Maturity
85–100
Planting Depth
Surface sow
Plant Spacing
18–24 in.
Ideal Temperature
60–75°F
Frost Hardy
Can withstand light frosts

When to Grow

Start seeds indoors 8–10 weeks before the last expected frost. In warmer climates, seeds can be sown outdoors after all danger of frost has passed. In USDA Zones 8–10, it can be grown year-round. If you’re not sure how to find your first and last frost dates, consult our blog post 'Our Experts Answer Questions, Share Resources.'

How to Sow and Plant

Sow seeds in seed trays or pots filled with sterile seed-starting mix. Press seeds lightly into the surface and cover with a fine dusting of soil. Keep moist but not soggy. Covering with a heat dome or plastic helps keep consistant moisture. Provide bottom heat or place in a warm, sunny location to aid germination.

How to Grow

Once seedlings are 3–4 inches tall and have at least two sets of true leaves, harden off for 7–10 days before transplanting. Choose a sunny site with good drainage. Mulch lightly around the base to suppress weeds and retain moisture, but keep away from stems to avoid rot.

How to Save Seeds

  • Allow plants to flower and form seed heads (typically in late summer).
  • Once seed heads dry on the plant, clip stems and place upside down in a paper bag.
  • Shake bag to release seeds; clean and dry thoroughly.
  • Store seeds in a cool, dark, dry place in a sealed, labeled container.

FAQ

Can I grow Rosy rosemary indoors?

Yes, Rosy rosemary can grow indoors if placed in a sunny window that receives 6–8 hours of light or under a grow light. Ensure good air circulation and avoid overwatering.

Why are my rosemary seeds slow to germinate?

Rosemary seeds are naturally slow and irregular germinators. Use a seed heat mat to maintain warmth around 70°F and be patient—it may take up to four weeks for sprouts to emerge.

Is Rosy rosemary a true rosemary plant?

Yes, Salvia rosmarinus is the updated botanical name for rosemary, formerly classified as Rosmarinus officinalis. It remains a fragrant culinary staple and ornamental herb.

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