Seed Swaps

Broccoli 'Waltham 29'

Brassica oleracea (Italica Group)

  • 75 plantings
  • 9 available for swap
  • 1 wanted
  • 70 stashed

Waltham 29 is a variety of Broccoli which is a member of the Mustard family. Its botanical name is Brassica oleracea (Italica Group) 'Waltham 29'. Waltham 29 is a hybrid variety.

Produces 4-8 inch heads.

A type of Vegetable, it mainly grows as an Annual plant - which means it typically only grows best for a single growing season. Waltham 29 is known for growing to a height of approximately 75.0 cm (2.44 feet).

Waltham 29 Broccoli tends to need a moderate amount of maintenance, so ensuring that you are aware of the soil, sun, ph and water requirements for this plant is quite important to ensure you have a happy and healthy plant.

This variety plant info is provided by the myfolia gardener's wiki. All details about Waltham 29 have been kindly provided by our members.

How to grow Waltham 29

  • Partial Sun

  • Medium

Broccoli grows best in mostly sunny locations during the cooler parts of the growing season. Prefers fairly rich soil kept fairly moist.

Harvest: Before flower buds open, cut the central head at a 45 degree angle. Side shoots will form from the axillary buds and should be cut regularly to encourage production. Store at 40*F and 95% relative humidity.

Waltham 29 likes a position of partial sun and remember to water moderately. Waltham 29 is generally regarded as a tender plant, so remember to ensure that temperatures are mild before moving outdoors. Use USDA Hardiness Zone 3 - 10 as your guideline for the appropriate climate for this plant. Waltham 29 needs a loamy and sandy soil with a ph of 6.2 to 7.2 (weakly acidic soil to weakly alkaline soil).

Growing Waltham 29 from seed

Keep soil moderately moist during germination.

Aim to sow 0.12 inches (0.32 cm) deep and try to ensure a gap of at least 1.49 feet (45.72 cm). For optimal germination, soil temperature should be a minimum of 10°C / 50°F.

By our calculations, you should look at sowing Waltham 29 about 42 days before your last frost date.

Transplanting Waltham 29

Can be sown in midsummer for fall crop, or later in summer for possible overwintering in mild winter areas.

Thin or transplant seedlings when 2 in. tall.

Waltham 29 is tender, so ensure you wait until all danger of frost has passed in your area before considering planting outside - as a guideline, the minimum temperature outside should be approximately 13°C / 55°F.

Harvesting Waltham 29

Produces 4-8 inch heads.

This variety tends to mature and be ready for harvest in mid autumn.

Latest Broccoli 'Waltham 29' Reviews

  • Slow to sprout and only 1 out of 3 seeds germinated. Waiting on true leaves to show and plan to harden off on 9/26/14.

    4 stars

    amccrerrand about growing Waltham 29 Broccoli

See all Waltham 29 reviews and experiences »