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Spinach 'Samish' Seeds | By Mr Fothergills

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Spinach "Samish F1" Seeds | Mr Fothergill's

Our spinacia oleracea Spinach "Samish F1" seeds produce a small-leafed tender spinach that's great in both salads and cooked dishes. Famously Popeye's favourite food, spinach is highly nutritious and a great source of iron, vitamins A and C, thiamin, potassium, and folic acid. These plants are moderately winter hardy and have good resistance to mildew; they're also great for late season cropping. They can be grown as "baby leaf" spinach in a greenhouse or cold frame throughout winter.

Spinach is easy to grow. Below we address some common queries:

  • Hardiness: this species is hardy and well-suited to the UK's climate.
  • Planting In Pots: well-suited to container growing.
  • Position: place in full sun for best results.
  • Soil Types: sow in fertile, moisture-retentive soil.

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 Perennial

Annual 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 Tender

Hardy 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.

  • No. Seeds Per Pack:  250
  • Sow Indoors:  March - September
  • Sow Outdoors:  March - September
  • Location:  Full Sun
  • Harvest Time:  May - October
  • Hardiness:  Hardy Annual

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.
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.


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.
How your order will arrive
When Your Plants Arrive…

  • 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.
Planting Your Vegetables or Herbs…

  • 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.
  • Planting Distance (Seed Tray): sow seeds 1.5-2.5cm deep (1/2-1in) around 2.5cm (1in) apart.
  • Planting Distance (Ground): sow seeds 1.5-2.5cm deep (1/2-1in) around 2.5cm (1in) apart.
  • Soil Preparation: remove weeds and large stones, dig in aged manure a week before planting.
  • Thinning: when seedlings are around 5cm (2in) high, thin to 8-10cm (3-4in) apart.
  • Pest Control: can use netting or fleece for protection; companion planting with radishes draws away leaf miners.
  • Watering Requirements: water regularly, particularly during dry periods.
  • Germination Requirements: sow as soon as the the soil can be properly worked; the soil should not be warmer than 21°C.
More Information
Common Name Spinach
Harvest Month May, June, July, August, September, October
Is Collection/Mix? No
Plant Family Chenopodiaceae
Needs Ericaceous Compost? No
Type Spinach
Veg Type Vegetable
Supplied As Seed Packet
Supplied As Seed Packet
Sow Outdoors Month March, April, May, June, July, August, September
Type Vegetable Plants
Sale Category Seeds