Broccoli Vegetable Seeds Packet

$4.95

1 review
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Broccoli seeds for the kitchen garden that intends to actually produce broccoli this year. Broccoli is the vegetable that rewards the patient gardener with a second harvest after the first one is done.

Broccoli is the cool-season brassica that continues producing side shoots long after the central head is harvested. Each packet is hermetically vacuum-sealed -- removing the oxygen that causes standard paper seed packets to lose germination viability within approximately one year. State law requires a 3-year viability label on sealed packaging. NASA research on hermetic seed storage indicates viability of up to 10 years under proper conditions. Every packet is non-GMO and germination-tested at independent third-party labs before it earns its Japanese woodblock print artwork.

Quick Seed Overview
  • Plant Type: Biennial
  • Genus: Brassica
  • Species: Oleracea
  • Plant Height/Width: 1–2.5 ft tall x 1–2 ft wide
  • Season: Spring or Fall
  • Exposure: Full Sun
  • Difficulty: Moderate
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Why Shido Seeds Are the Best

Our flower and vegetable seeds are beautifully packaged little packets of magic. Guaranteed to turn your garden into the envy of the neighborhood. Get your hands dirty and let nature simply do its thing.

How to Plant Broccoli from Seed

PlantCare

When to Plant Seeds

  • Spring Planting: Start seeds indoors 6-8 weeks before the last frost.
  • Fall Planting: Start seeds indoors in mid-to-late summer for a fall harvest.

Preparing for Planting

  1. Choose a sunny location with well-drained, fertile soil.
  2. Loosen soil to at least 12 inches deep.
  3. Amend soil with compost and organic matter for nutrient enrichment.
PlantCare water

Sowing Seeds

Indoors: Fill seed trays with moist potting mix. Plant seeds ¼ to ½ inch deep. Keep trays at 65-75°F (18-24°C) for optimal germination. Water lightly to maintain even moisture. Seedlings will germinate within 5-10 days. Once seedlings have two sets of leaves, transplant them into larger containers.

Outdoors: Harden off seedlings by gradually exposing them to outdoor conditions over a week. Space plants 12-24 inches apart, with 24-36 inches between rows. Plant in the ground at the same depth as they were in containers. Water immediately after transplanting.

Direct Sowing in the Garden

  1. Plant seeds ½ inch deep in rows spaced 24-36 inches apart.
  2. Thin seedlings to 12-18 inches apart when they reach 3 inches tall.
  3. Keep soil evenly moist during germination.

Pro Tip

To grow tight, healthy broccoli heads, plant in rich, well-drained soil with full sun and keep the soil evenly moist (about 1–1.5 inches of water per week). Feed with a nitrogen-rich fertilizer after transplanting to encourage strong leaf growth.

Bonus: Harvest the main head before the buds start to flower, and keep the plant in the ground—many varieties will produce smaller side shoots for extended harvests!

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Getting to know your Broccoli

Broccoli is a nutrient-rich cool-season vegetable belonging to the Brassicaceae family, producing large, green flowering heads made up of tightly packed buds that are harvested well before they ever have the chance to bloom. The plant prefers full sun, well-drained, fertile soil, and consistent moisture, thriving in the kind of moderate, cool conditions that make it a natural fit for spring and fall planting rather than midsummer heat. Thick, fibrous stems support dark green, lobed leaves that are themselves edible, though most gardeners focus their attention on the central head. Once that main head gets harvested, smaller side shoots typically develop afterward, extending the total harvest period well past what a single cutting would suggest. Broccoli is rich in vitamins C and K along with fibre, and it holds a genuinely versatile place in cuisines worldwide, showing up raw in salads, lightly steamed as a side, or roasted until the edges char slightly. Regular fertilization, particularly with nitrogen, supports the kind of steady growth that produces a dense, well-formed head, and companion planting with onions, carrots, and herbs like dill tends to help keep common pests at a manageable distance without resorting to anything harsher. Few vegetables pull double duty in the garden and the kitchen quite this well.

What it's used for

1. Culinary Uses:

  • Enjoyed raw, steamed, roasted, stir-fried, or blended into soups.
  • Can be pickled, juiced, or incorporated into casseroles and salads.

2. Nutritional Benefits:

  • High in vitamin C, vitamin K, fibre, and antioxidants.
  • Supports immune health, digestion, and bone strength.

3. Companion Planting & Pest Control:

  • Helps repel certain pests when grown near onions, garlic, or marigolds.
  • Beneficial to pollinators when left to flower.

4. Soil Improvement:

  • When composted, broccoli plants return nutrients to the soil.
Growth Requirements

Light:

  • Requires full sun (at least 6 hours of direct sunlight per day).

Soil:

  • Prefers rich, well-draining soil with a pH of 6.0-7.0.
  • Adding organic compost or aged manure improves fertility.

Watering:

  • Needs consistent moisture, about 1-1.5 inches per week.
  • Avoid overhead watering to prevent fungal diseases.

Temperature & Climate:

  • Ideal growing temperatures range from 55-75°F (13-24°C).
  • Frost-tolerant, but extreme heat can cause premature bolting.

Fertilization:

  • Apply a balanced fertilizer (10-10-10) during early growth.
  • Side-dress with nitrogen-rich compost once heads begin to form.
Maintenance

Watering:

  • Water regularly to keep soil evenly moist but not soggy.
  • Mulch around plants to retain moisture and regulate soil temperature.

Fertilization:

  • Apply a high-nitrogen fertilizer every 3-4 weeks for vigorous growth.

Weeding & Mulching:

  • Keep weeds under control to reduce competition.
  • Mulch with straw or grass clippings to maintain soil health.

Harvesting & Seed Collection

  1. When to Harvest:
    Harvest when broccoli heads reach 6-8 inches in diameter.
    Cut heads before buds open into yellow flowers.
    Use a sharp knife, cutting at an angle to encourage side shoots.
  2. Saving Seeds:
    Allow plants to bolt and flower.
    Collect dried seed pods and store seeds in a cool, dry place.
Pests and Diseases
  • Common Pests: Aphids, cabbage worms, and flea beetles.
    Use row covers or organic sprays to protect plants.
  • Common Diseases: Clubroot, black rot, and powdery mildew.
    Ensure crop rotation and well-drained soil to prevent issues.

The Same Family, a Different Colour

For the same demanding brassica growing conditions with a paler head, the Cauliflower shares broccoli's care requirements almost exactly.

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