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- How to sow seeds
- How to grow herbs
Salvia rosmarinus, Rosemary
(Previously known as Rosmarinus officinalis)
Want to learn more? Read Jekka's Guide to Rosemary.
• Hardiness: H5 (-10 to -15C)
• Type: Evergreen Shrub
• Height: up to 1m
• Spread: up to 1m
• Soil type: Sand, Chalk, Loam, Clay, Free Draining
• pH: Universal pH
• Habit: Upright
• Flowering colour: Dark Blue
• Flowering time: Spring, Early Autumn
• Uses: Culinary & Medicinal (Read Jekka's Guide To Culinary Herbs and Medicinal Herbs for more information)
• Attracts pollinators: Yes (Read Jekka's Guide to Pollinators for more information)
• Container suitability: Yes
• UK native: No
• Caution: The essential oil should only be used externally. Excessive doses of Rosemary leaf may cause convulsions
• Indoor Sowing: In early spring, into prepared plug trays or pots, cover with perlite. Bottom heat, 18°C, aids germination.
• Outdoor Sowing: In summer, into a well drained soil and in a sunny position. Thin to 70cm apart.
• Maintenance: (See Jekka's Blogs on Early Spring, Late Spring, Summer and Autumn maintenance)
• Harvest: N/A
Traditionally, Rosemary has been used to enhance memory and cognitive function by virtue of its proposed ability to improve blood circulation. It is valued for its aid in calming headaches resulting from overwork and nervous tension, and is said to have an uplifting effect where there is low mood. Herbalists value its tonic effect where support in convalescence from illness is needed, gently encouraging better digestion and circulation. Topically, the essential oil has been used to ease muscle aches and nerve pain, and it is of value too as a chest rub where it is said to ease congested lungs and improve breathing. A rinse made from the tea may be beneficial in cases of dandruff and is said to promote hair growth.
Caution: May cause contact allergy.
Please note: The information provided here is for educational interest only and is not intended to be used to diagnose or treat significant health problems. Any serious or long-term health concerns should always be discussed with a healthcare professional.
See our blog for more information about the National Institute of Medical Herbalists
Jekka's "How to Grow Herbs" videos, includes Jekka's video on how to sow seeds for an informative step-by-step guide to seed sowing.
Growing indoors? Check out Jekka's blog on indoor herb gardening for some advice.
At Jekka’s we sell herbs in 1 Ltr and 2 Ltr pots. These are established and hardy herb plants that are grown following organic principals and to survive the UK climate. Please read Jekka's blog that contains her top steps to growing on your herbs.
Our herbs are designed to be grown in containers or planted in the garden. Although some herbs will be quite happy indoors, most prefer being outside. Please see our indoor growing blog for more information.
If you think your herbs need a little more attention we always recommend an environmentally friendly solution, and these are Jekka's top three:
- Maxicrop liquid seaweed: 'Feed on Fridays' as Jekka always says for all round good plant health.
- SB Invigorator: a safe and effective insecticide and fungicide to help control a wide range of pest species
- Epsom salts: the horticultural equivalent of what you put in your bath to top up magnesium and stop orange leaves.
Please note, the compost in Jekka's Kits will have enough natural food for approximately 6 weeks.
One of our three core roots is that we are Environmentally Conscious and for the past 30 years all the herbs grown at Jekka’s have been raised following sustainable, environmentally friendly and organic approaches resulting in a remarkable biodiversity at the herb farm.
Our herb seeds are also untreated and can be used to grow organic herb plants.