Broccoli Waltham 29 | Seedmart Packet
Broccoli Waltham 29 Vegetable Seeds
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Broccoli Waltham 29 Vegetable Seeds


  • Grow as microgreens or full maturity.
  • Heirloom variety.
  • High yield.
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BROCCOLI ‘Waltham 29’ Vegetable Seeds

Botanical name: Brassica oleracea var italica

Broccoli is an annual, frost hardy, cool season crop. Waltham 29 is a compact variety that produces an abundance of sides shoots and has an extended grow season.

  • Blue-green heads grow up to 20 cm.
  • Easy to grow.
  • High yield.
  • Good flavour.
  • Excellent choice for microgreens.

Growing Instructions

  • Thrives in full sun and does not grow well in shade.
  • May bolt in high temperatures.
  • Requires rich, well-drained soil with a pH 6.5 – 7.2.
  • Heavy feeder. Add compost to soil.
  • Add organic fertiliser in the early and mid-season.
  • For best flavour, harvest while the heads are tight and dark green.

When to Sow

  • Temperate areas: Late December – May.
  • Cold areas: Early spring and October – February.
  • Subtropical: Late autumn – early winter. Heirloom varieties can struggle in these regions.
  • Tropical: Generally, does not produce well.

Row Spacing

60 cm apart

Plant Spacing

45 cm

Sowing Depth

0.5 cm

Germination Soil Temperature


Germination Days

7 - 14 days

Days to Maturity

60 - 90 days

Planting Season

Plant in late Summer and Autumn. Tolerates frost.


Full sun. Keep soil moist and well drained.

Life Cycle

Hardy Annual.

Additional information

Weight N/A

Product Specifications

  • Botanical name: Brassica oleracea var italica.
  • Non-GMO.
  • No chemical treatment.
  • Open pollinated, non-hybrid.
  • Italian heirloom variety.
  • Seed count: Approx. 320.
  • We do not ship to WA or Tasmania due to quarantine restrictions.