Rosemary Seeds | Rosmarinus Officinalis | By Mr Fothergills
Rosemary Seeds | Mr Fothergill's
Our rosmarinus officinalis Rosemary seeds produce a wonderful evergreen herb that blooms all year round. The plant has dark green, needle like leaves with a silver underside, with light blue or pink flowers. A traditional Mediterranean favourite, the intense, fragrant aroma is most often paired with lamb, chicken, or game, but is also suited to fish and bean dishes.
- No. Seeds Per Pack: 75
- Sow Indoors: February - May
- Sow Outdoors: February - May
- Location: Full Sun, Partial Sun
- Harvest Time: January - December
- Hardiness: Half-Hardy Perennial
Seeds Jargon
- F1 Hybrids: hybrid seeds are produced from two specially selected varieties that are kept in isolation. As they are produced from only two plants, seeds are almost identical genetically.
- Open Pollinated: open pollinated plants aren't isolated from other varieties, so are more genetically diverse.
- Heirloom: heirloom seeds are historic, some going back to Victorian times, others more recent. Heirloom varieties can be good or bad, depending on how careful the breeder is to maintain genetic similarity.
- Hybrids vs Open Pollinated
As hybrids are produced from two specially selected varieties, the quality is more consistent, with a higher germination rate and improved cropping. But, as they require time, resources and know-how to create, they come to the market at a higher cost. They are also genetically unstable, and so if you keep the seeds from the resultant crop, performance is usually poor. Open Pollinated seeds are highly diverse and have often been grown for successfully for decades. Seeds from the resultant crop are usually perform well.
Annual, Biennial and PerennialAnnual plants complete their life cycle within a year, biennials in two years (usually only flowering in the second year) and perennials can live on indefinitely.
Hardy, Half-Hardy and TenderHardy and half-hardy plants can survive a light frost, but the latter are best moved indoors during periods of bad weather. Tender plants must be kept indoors, until after the last frost.
We believe that anyone, regardless of ability can successfully grow their own plants at home, and do so in an eco-friendly and sustainable way.
Everyone should have the chance to experience the benefits that plants bring to our lives, and we have put a lot of effort into making sure that all of our products are easy to grow, even for beginners.
Sustainability is at the heart of our ethos and we have done everything we can to ensure that all of our products are as sustainable as possible, be it our plastic free, fully recyclable packaging, GM free seeds or ethically sourced compost.
Based in the heart of England, our trusted nursery will sow and grow thousands of organic vegetables and herbs each year. When each plant reaches the optimum time to be planted in your garden, we will dispatch it directly to your home. Plant Theory vegetables are entirely organic, and are importantly grown in soil that has been tested by the Soil Association, on an English farm that treats quality and sustainability as of utmost importance.
Packaging
Each plant is grown and stored in plastic-free materials, and for this we are very proud. These include the biodegradable fibre pots that each vegetable is grown in (which can be placed straight in the ground). When ready, they will be carefully wrapped up in specially-designed and sustainably-sourced cardboard packaging. We additionally use moisture-resistant wax paper to keep every plant safe, and subsequently fill each box with straw for added padding. All packaging will be extensively trialled to ensure that your plants arrive safely, but we will still utilise a delicate-parcels courier just to be certain.

- Unpack your plants: Preferably straight after they arrive, you should carefully unpack your plants. They may appear slightly tired after their journey, however they will soon perk up again.
- Identify each plant: Each type of plant (but not each individual plant) will be clearly labelled. Lay them out into their respective plant types (such as wild rocket, cauliflower, or peas).
- Provide a drink: The roots of your plants may be dry, so provide all of them with a nourishing drink of water. Ensuring that the roots are stood upright, submerge the roots of each plant for a few minutes in a container of clean water.
- Their position: For the best results, plant your vegetables in a site that receives full sun.
- Soil types: You should always avoid waterlogged soils. This is because they can lead to root rot and compacted surroundings, which will hinder your vegetables’ growth.
- Planting distance: Plant your plugs between 15 - 20cm apart, and keep their stems level with the soil. Each row is best spaced 15 - 30cm away from one another.
- Watering requirements: Water when planting, and also during periods of drought.
- Hardiness: Our trusted nursery staff will attentively care for your vegetables, and only deliver them when it is warm enough for them to be planted in your garden.
Advice on hot and droopy plants
If your plants are looking a little wilted right now, don’t worry! Plants like to be filled with water to keep their structure, and when it’s hot that water evaporates.
Just give them an off-schedule watering and they’ll be right as rain in no time! Be careful not to flood them - plants don’t like extremes.

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We were created in 2003 to become the UK's largest online-only garden centre. Thousands of plants, planters, awnings, garden furniture sets, water features and more line our digital shelves, and we're ready to fill your garden with comfort, quality, colour and style.
If you'd like to find out more, check out our 'About Us' page.
We want you to be happy with your purchase from the moment it arrives, but if you aren't you have the right to return it within 14 days. Just head to our Returns Page, send us an email, receive a returns number and fire your product back to us.
We'll refund the full cost as well as standard delivery.
Highlands and Islands
We calculate delivery costs at checkout based on your entered postcode, so you'll know at that stage if your chosen product can be sent to you. If you have any queries, please head to Contact Us and send over a form, or visit our Help Centre.
Common Name | Rosemary |
---|---|
Harvest Month | January, February, March, April, May, June, July, August, September, October, November, December |
Is Collection/Mix? | No |
Plant Family | Brassicaceae |
Needs Ericaceous Compost? | No |
Type | Rosemary |
Veg Type | Herb |
Supplied As | Seed Packet |
Sow Indoors Month | February, March, April, May |
Type | Vegetable Plants |
Sale Category | Seeds |
Spring Checklist | Seeds |
Shop By Category | Vegetable Plants |