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  • A fresh head of broccoli with small dark green beads, placed on a red and white checkered surface.
  • Front packaging of McKenzie Seeds Broccoli Imperial Hybrid
  • Broccoli seed packet with planting instructions and product details on a white background
  • Hand planting a small seed into soil outdoors, close-up view of fingers and ground.
  • Close-up of a hand planting a seed into seed starter pods arranged in a tray.
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Broccoli, Imperial Hybrid Seeds

Brassica oleracea
$2.79
$2.79
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Product Information Chevron Down Chevron Forward

Experience the perfect balance of flavor and nutrition with our Broccoli, Imperial Hybrid Seeds. 

This superior heat-loving broccoli produces 15-20 cm (6-8") tight dome-shaped heads with attractive, small dark green beads.  The heads have an excellent shelf-life post harvest.  This multi-use broccoli is great for fresh eating or freezing.

  • SKU: 143690
  • Common Name: Broccoli
  • Botanical Name: Brassica oleracea
Growing Information Chevron Down Chevron Forward
Safe for bees
Safe
for Bees
Good for pollinators
Good For Pollinators
Grow best in
Grows
Best In:
Full Sun
Days to germination
Days to
Germination:
7 - 10 days
Water needs
Water
Needs:
Average 2.5-5 cm (1-2 in.) per week
Days to maturity
Days to
Maturity:
62 days after transplanting outdoors
Best container size
Best
Container Size:
30 cm+ (12 in.+)
Growing height
Growing Height:
30 cm (12 in)
Key Features Chevron Down Chevron Forward
  • Plant Type: Vegetable
  • Plant Lifecycle: Annual (plant every year)
  • Seed Type: Hybrid
  • Fill Weight (grams): 250 mg
  • Approximate Seed Count: 55-65
  • Characteristics: Excellent shelf life | Preserving variety | Attracts butterflies, moths, and pollinators
  • Planting Method: Start Indoors
  • Colour: Green
  • Water Needs: Average 2.5-5 cm (1-2 in.) per week
  • Landscape Use: Edible Garden
  • Resistance: Downy mildew
  • Tolerance: Heat
  • Companion Planting:

    Plant near oregano, other brassicas (cabbage, brussels spouts, cauliflower, etc.)

  • Flavour: Grassy, earthy flavor
  • Preparation Ideas: Remove flower heads from the thick stems. Rinse in cool water and place in a microwave safe bowl. Add 2 to 3 tablespoons of water and cover bowl with a plate or saran wrap. Microwave on high for approximately 3 to 4 minutes until broccoli is fork tender. Drain any left over water from bowl and season with salt and pepper if desired.
Instructions Chevron Down Chevron Forward
How To Grow

Broccoli seeds can be sown directly into the garden but perform best transplanted. Start broccoli seeds indoors 6 weeks before the last frost in your area. Follow the seed depth and spacing guidelines indicated below. Once all danger of frost has passed, seedlings should be hardened off before planting in their growing location. Seedlings should be transplanted according to the plant and row spacing directions below. Regularly monitor your plants and ensure that the soil remains moist, but not soggy while they establish themselves in their new environment.

  • Planting Depth: 1.3 cm (1/2in.)
  • Seed Spacing: 1.3 cm (1/2 in.)
  • Plant Spacing: Sow broccoli seeds roughly 1.3 cm (1/2 in.) apart in rows, keeping rows approximately 30 - 35 (12 - 14 in.) apart.
  • Instructions for Nutrient Care: Apply SUPERThrive once per week. Soak in solution of 1/4 tsp per gal for 15 min. or longer depending on size and type.
Suggestions Chevron Down Chevron Forward
Growing Suggestions:
  • Broccoli grows best in temperatures from 18-24°C (65-75° F).
  • Broccoli has a shallow root system. Be careful when cultivating the ground near the plants to not disturb the roots.
  • High temperatures and increased day length can cause broccoli plants to bolt. Bolting refers to premature seed or flower stalk production before the harvest of the vegetable and typically renders the crop unusable.
  • Cut the main head and you will likely harvest a good-sized secondary head a little later.
  • Plant brassicas together so they can all be covered with netting to protect them from pests such as cabbage worms.

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Overall rating: 4.5882354 / 5 from 17 reviews.

AI Generated Review Summary

Summary topics

Review topics: ["seeds","germination","heads"].

Review highlights

Reviews

germinated well. No issues.

"germinated well. No issues."

— Gisele S. (5/5)

"Can't wait to get the seeds all started"

— Lisa (5/5)

Would buy again

"Most seeds germinated easily and had delicious broccoli!"

— Melissa S. (5/5)

Good service

"Attttt"

— Ken R. (5/5)

Broccoli Imperial Hybrid

"Coming nicely."

— Helen D. (5/5)

Great germination rate

"Nearly 100% germination rate"

— M M. (5/5)

Grew great

"Yearly buy!"

— Hilary (5/5)

Nice big head

"Nice big head"

— Joanne B. (5/5)

All sprouted and are doing amazing

"Great quality as always"

— Anna S. (5/5)

Great Seeds

"High germination rate"

— Melanie A. (5/5)

Q&A

Can I use the broccoli imperial seeds in my sprouted?
Hello. Yes they can be used for sprouts. Just wash the raw seed first.
Learn More