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Rosemary Seeds

  • Brand: KNOWN-YOU
  • Quantity: About 50 seeds per package
  • Germination: 15-25 days
  • Soil Condition: Soil pH is between 6.0 and 7.0, grow best in well-drained, loamy, slightly acidic soil
  • Sowing depth: 1/2 inch
  • Spacing: 18-24 inches apart
  • Light: Full Sun
  • Watering Time: Frequent
  • Fertiilizing: Recommended
SKU: H-010

Availability: Out of stock


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Official Name: Salvia rosmarinus

General description: Rosemary, Rosmarinus officinalis, is a bush with fragrant, evergreen, needle-like leaves and white, pink, purple, or blue flowers. ... The shrub then became known as the "Rose of Mary". As a medicinal herb, it has long been recommended for strengthening the brain and memory.

How to grow: 

The seed takes a while to germinate so you need to start it about three months before the warm weather arrives. Place the seed onto a well drained base such as sand, vermiculite or very light potting mix. Cover the seed with a little more mix, water lightly and place the container in a warm location or onto a heat mat. Cover the container with plastic wrap until you see the seeds starting to emerge. As soon as you see the tiny rosemary plants starting to grow, it is important to give them a good light source and a warm environment. Do not expect germination of all the seeds as rosemary has a much lower germination rate than some other popular herbs such as basil.

Allow the rosemary to grow inside or in a sheltered area outside, until they are about 3 inches high and sturdy enough to handle. If the weather is warm outside, the seedlings can be put into the garden where they will continue to grow. Alternately, pot the seedlings into larger pots so that you do not have to disturb them if you want to bring them indoors for next winter. Use pots with several small rosemary plants to make rosemary topiaries. The small plants can easily be trained onto a hoop or other shape.

In warmer areas, zone 7 and above, your rosemary plants will be large enough to survive outside and give you pretty blue flowers early next year. Rosemary that is brought indoors will also flower in late winter to give you some winter interest when you really need it.


Rosemary has a range of possible health benefits.
  • Antioxidants and anti-inflammatory compounds. 
  • Improving digestion. 
  • Enhancing memory and concentration. 
  • Neurological protection. 
  • Prevent brain aging. 
  • Cancer. 
  • Protection against macular degeneration.





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