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Broccoli Seeds

Broccoli Seeds (Stemia F1)

In stock
RRP: 3.99
Price: 2.99
You save: €1.00 (25%)

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Broccoli Seeds - Description

  • Pack of Broccoli Seeds
  • Variety: Stemia F1
  • Crops Over Long Periods
  • Slow to Bolt
  • Packet Size: Approx 25 Seeds
  • Harvest: July / November
  • Excellent Flavour
  • Very Good Disease Resistance
  • Good Cold Tolerance
  • F1 Hybrid: First Generation of Controlled Cross Pollination

Broccoli Seeds - Sowing Instructions

  • Sow: April to May
  • Can sow again June to August
  • You can start broccoli seeds earlier indoors in seed trays & transplant out after 6 to 7 weeks
  • Transplant 30cm apart & keep under cloche for protection
  • Soil: Deep & fertile
  • Happy in heavy clay but doesn't like sandy soils
  • Harvest: July to November
  • See how to grow tab for full growing instructions

Broccoli Seeds - Uses

  • Use in pastas or soups
  • Excellent when boiled or steamed
  • High in vitamin A & C
  • High in iron

Broccoli Seeds - Advantages

  • This is a popular variety of broccoli
  • Common in stores
  • Autumn harvest variety
  • Gives good sized heads
  • Tastes great

Broccoli - Note

  • Most broccoli sold in supermarkets is actually calabrese not broccoli


  • Sowing Instructions
  • How to Transplant
  • Crop Maintenance
  • How to Harvest
  • Storage
  • Pests & Diseases

Sowing Instructions

  • Sowing time: Sow from March to June
  • Sowing location: Starting indoors in 9cm pots
  • Soak soil before sowing
  • Sow 3 seeds in the centre of each pot, approximately 2.5cm deep
  • Cover the seeds with soil & water well
  • Germination after 10 days
  • Seedlings can be thinned out once they emerge
  • Broccoli can be sown directly outdoors in mid April
  • Sow seeds thinly

How to Transplant

  • Transplant in early summer, once plants reach 15cm in height
  • Space calabrese 30cm apart in rows
  • Soil: Calabrese thrives in rich, well drained soil
  • Medium heavy soil is preferred
  • The soil should be prepared well in advance and allowed to settle
  • Preferred ph is between 6.5 and 7.5

Crop Maintenance

  • Add manure or rotted compost in the autumn before planting
  • Be sure to weed the soil and make sure it is stone free
  • Mulch around the plant to ensure water retention
  • Water well in dry spells
  • However be careful not to water too much


  • Calabrese is fast growing, some varieties will be ready to harvest after 45 days
  • Harvest when side florets start to loosen
  • When the main head is still compact
  • Cut the calabrese at the base of the stalk


  • Short term storage: Place in a compartment in the fridge
  • Can be frozen for longer term storage
  • Simply blanch as you would with other vegetables, allow to cool, then freeze

Pests & Diseases

  • Pests: Cabbage root fly
  • Damage: Affects the roots causing them to swell and distort
  • Careful attention is vital in combating pests
  • If problem gets out of hand, a chemical may be introduced
  • Other pests and diseases include caterpillars, cabbage rot and maggots

Note: We don't ship plants on Fridays due to the extended period they would remain without light & water

Here at we aim to provide a fast, reliable & low cost delivery service

Shipping Options & Rates

  • Standard Courier Delivery With Fastway (2-4 Working Days)
    • Cost is €4.95 on Orders Below €75
    • Free Delivery on Orders Above €75
    • Rep. of Ireland & Northern Ireland Only
  • Express Courier Delivery With Fastway (1-2 Working Days)
    • Cost is around €5 extra for express delivery
    • This service guarantees that any order placed before 4pm will ship from our depot the same day on the next day delivery service *
    • Rep. of Ireland & Northern Ireland Only
  • Express Delivery With DPD (1-2 Working Days)
    • Cost is €3 extra
    • This service guarantees that any order placed before 4pm will ship from our depot the same day on the next day delivery service *
    • Rep. of Ireland & Northern Ireland Only
    • This services comes with text alerts and timed delivery slots which the customer can change to suit themselves
  • 'Seed' Postal Delivery Option ***
    • Cost is €2 - Packet of Seeds ONLY Orders
    • Note: Does Not Apply to Seed Potatoes, Bulbs or Sets ***
    • Rep. of Ireland & Northern Ireland Only
  • Great Britain
    • Cost is €10
    • UK shipping fee covers parcels up to a total weight of 20Kg
  • Western Europe
    • Note: There is no free delivery for Western Europe Deliveries

Bulk Bags & Large Item Pallet Deliveries

  • Bulk bags & large orders are shipped via pallet couriers on a rigid lorry
  • Delivery is to kerbside only
  • If road access to your site is tight, then please advise us before purchasing
  • Please Note: We cannot guarantee next day delivery on pallet deliveries
  • Also, we cannot guarantee delivery on a specific day (Please allow 1-3 days for delivery)
  • It's always best to order well in advance to avoid disappointment
  • Cancellation of pallets when items are already in transit will incur a 40 euro per pallet cancellation fee (To cover return delivery costs)
  • Where pallet delivery can not be made due to site access, a 40 euro per pallet cancellation fee will apply (To cover return delivery costs)

International Delivery Prices & Times

  • Please note max weights below, heavier orders may require additional payment
  • We will contact you to discuss, if max weight of order exceeded


  • The shipping fee is fixed for an order, regardless of the number of items bought
  • All courier orders require signed proof of delivery & the customer must be contactable by phone
  • We do not offer a weekend delivery service (Mon-Fri Only excl. Bank Holidays)
  • * Our courier achieves a 98% success rate on next day deliveries
  • ** Seed postal option applies to seed ONLY orders & is available in all 32 counties of Ireland
  • *** Does not apply to seed potatoes, bulbs or sets
Orders over €75, get
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