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Organic seeds Brassicaceae

Organic 'Waltham 29' Broccoli Seeds

Name: Organic 'Waltham 29' Broccoli Seeds
Brand: Gaia
SKU: GAI-SEMENCES
Price: 4.99 CAD
Availability: InStock

Brassica oleracea var. italica

Product code : GAIAS-0023

This organic variety is part of Gaia's seed selection for Canadian gardens. Great variety for bunched side shoots. Sturdy 20 inch plant, topped with 6 inch dark blue green heads with medium to large beads and long stalks. Cold tolerant for fall maturity. Read the packet directions before starting and keep the label so the variety remains clearly identified throughout the season. Prepare a clean, loose, well-drained growing medium and moisten it before placing the seeds so they are not displaced by the first watering. Keep the seedbed evenly moist without standing water because excess moisture reduces air around developing roots. broccoli seeds are presented here with Canadian seed starting and seasonal care guidance.

Exposure: Full sun to partial shade
Life cycle: Annual

Common nameWaltham 29 Broccoli

FamilyBrassicaceae

GenusBrassica

Speciesoleracea var. italica

TypeOrganic seeds

Botanical nameBrassica oleracea var. italica

Organic 'Waltham 29' Broccoli Seeds (Brassica oleracea var. italica). This organic variety is part of Gaia's seed selection for Canadian gardens. Great variety for bunched side shoots. Sturdy 20 inch plant, topped with 6 inch dark blue green heads with medium to large beads and long stalks. Cold tolerant for fall maturity. Life cycle: annual. Expected height: 61 to 91.4 cm (24 to 36 in). For practical seed starting, growing from seed succeeds best when the verified product depth, moisture and temperature guidance is followed.

Soaking in warm water for up to 12 hours is recommended for improved germination. Start indoors 4 to 6 weeks before planting date. Plant outside as soon as the chance of hard frost has passed. 1/4 to 1/2 in direct 10 to 30 °C. Germination generally takes 3 to 10 days under the recommended conditions. Space plants 30.5 to 45.7 cm (12 to 18 in). Use the product details as a clear guide on how to start seeds while keeping the growing medium evenly moist, never saturated. For indoor seed starting, count back from local conditions and frost dates to decide when to start indoor seeds.

Harvest when heads are still tight. Check often as heads loosen. Cool right after harvest to maintain quality. Alliums, Lettuce, Brassicas (except Mustard), Oregano, Bush Bean, Celery, Rosemary. The packet contains 100 seeds. Confirmed edible parts: Flower heads harvested before they open fully.

Sowing guide

It all startswith a seed.

Sowing depth

6 to 13 mm (1/4-1/2″) direct

Spacing / density

30 to 46 cm (12-18″)

Germination temperature

10-30°C

Germination time

Generally 3 to 10 days under the recommended conditions

Propagation

Seed propagation

Growing method

For Waltham 29 Broccoli, follow these sowing and growing guidelines for the variety. Soaking in warm water for up to 12 hours is recommended for improved germination. Start indoors 4 to 6 weeks before planting date. Plant outside as soon as the chance of hard frost has passed. 1/4 to 1/2 in direct 10 to 30 °C. Read the packet directions before starting and keep the label so the variety remains clearly identified throughout the season. Prepare a clean, loose, well-drained growing medium and moisten it before placing the seeds so they are not displaced by the first watering. Keep the seedbed evenly moist without standing water because excess moisture reduces air around developing roots. Move seedlings into bright light as soon as they emerge and rotate containers regularly to encourage balanced growth. Where several seedlings compete for the same space, thin carefully and retain the strongest plants without disturbing their roots. Before outdoor planting, gradually acclimatize young plants to wind, sunlight, and changing temperatures over several days. Follow the stated spacing so air can move between plants and each plant receives adequate light, water, and nutrients. Water at soil level when the surface begins to dry, then adjust frequency for weather, drainage, and container volume. A light mulch can reduce splashing and moisture swings after the soil has warmed and plants are established. This seed starting sequence supports reliable growing from seed while preserving the product-specific depth and temperature facts.

Soil and care

The right care,at the right time.

Care level

Moderate

Seasonal care

For Waltham 29 Broccoli, adjust seasonal care to the plant's actual growth cycle. Soaking in warm water for up to 12 hours is recommended for improved germination. Start indoors 4 to 6 weeks before planting date. Plant outside as soon as the chance of hard frost has passed. 1/4 to 1/2 in direct 10 to 30 °C Harvest when heads are still tight. Check often as heads loosen. Cool right after harvest to maintain quality. Alliums, Lettuce, Brassicas (except Mustard), Oregano, Bush Bean, Celery, Rosemary. The packet contains 100 seeds. Read the packet directions before starting and keep the label so the variety remains clearly identified throughout the season. Prepare a clean, loose, well-drained growing medium and moisten it before placing the seeds so they are not displaced by the first watering. Keep the seedbed evenly moist without standing water because excess moisture reduces air around developing roots. Move seedlings into bright light as soon as they emerge and rotate containers regularly to encourage balanced growth. Where several seedlings compete for the same space, thin carefully and retain the strongest plants without disturbing their roots. Before outdoor planting, gradually acclimatize young plants to wind, sunlight, and changing temperatures over several days. Follow the stated spacing so air can move between plants and each plant receives adequate light, water, and nutrients. Water at soil level when the surface begins to dry, then adjust frequency for weather, drainage, and container volume.

Container growing

A garden,within reach.

Growing Waltham 29 Broccoli in a container requires suitable volume, drainage, and exposure. In-ground growing recommended; use a very large container of 40 L or more only with support and regular watering. Match the container to the plant's development and provide free drainage from planting onward. Read the packet directions before starting and keep the label so the variety remains clearly identified throughout the season. Prepare a clean, loose, well-drained growing medium and moisten it before placing the seeds so they are not displaced by the first watering. Keep the seedbed evenly moist without standing water because excess moisture reduces air around developing roots. Move seedlings into bright light as soon as they emerge and rotate containers regularly to encourage balanced growth. Where several seedlings compete for the same space, thin carefully and retain the strongest plants without disturbing their roots. Before outdoor planting, gradually acclimatize young plants to wind, sunlight, and changing temperatures over several days. Follow the stated spacing so air can move between plants and each plant receives adequate light, water, and nutrients. Water at soil level when the surface begins to dry, then adjust frequency for weather, drainage, and container volume. A light mulch can reduce splashing and moisture swings after the soil has warmed and plants are established.

Organic 'Waltham 29' Broccoli Seeds by Gaia, additional product image for Canadian gardeners.

Bloom and dimensions

Its place,in your garden.

Mature height

61 to 91 cm (24-36″)

Foliage color

Green

Foliage type

Herbaceous

Growth rate

Moderate

Growth habit

Vining or trailing

Garden associations

In goodcompany.

Plants to avoid

Asparagus, Nightshades, Strawberry, Mustard, Climbing Beans.

Frequently asked questions

Your questions,answered.

How many 'Waltham 29' Broccoli seeds are in the packet?

For Waltham 29 Broccoli, the packet information states: Approximately 100 seeds · lot GOGOG69 · germination >85%. This wording preserves the commercial approximation when one is provided and helps plan the number of containers or the length of the row without turning an estimate into a guaranteed count. Keep the packet closed in a cool, dry, dark place until sowing time. Keep the label with the seedlings so the variety remains correctly identified throughout the season. Use clean containers and write the sowing date on a water-resistant label. Avoid exposing unused seed to moisture or large temperature swings.

How should I start 'Waltham 29' Broccoli seeds in Canada?

For Waltham 29 Broccoli, follow the detailed sowing schedule in the product record. The recommended method is sowing from seed, at a depth of 6 to 13 mm (1/4 to 1/2 in) when direct-sown. Follow these product-specific directions and adjust timing to the average last-frost date in your area. Moisten the growing medium before placing the seed so the first watering does not displace it. Label every container and maintain even moisture without allowing standing water. Move seedlings into bright light as soon as they emerge to encourage balanced growth. Thin carefully when several seedlings compete for the same space. For seed starting, label the cultivar and use the stated sowing depth instead of a generic estimate.

How long do 'Waltham 29' Broccoli seeds take to germinate?

For Waltham 29 Broccoli, the stated germination period is generally 3 to 10 days under the recommended conditions, at a germination temperature of 10 to 30 °C. Keep these conditions as steady as practical while allowing excess water to drain away. The temperature of the growing medium matters more than the surrounding air during this stage. Check moisture below the surface before watering again and avoid saturating the medium. Good air circulation helps young plants remain vigorous after emergence. Wait until the normal germination window has passed before assuming a seed will not emerge. When growing from seed, keep conditions stable for the full stated germination window before disturbing the mix.

Where should I grow 'Waltham 29' Broccoli in the garden?

For Waltham 29 Broccoli, the recommended exposure is Full sun to partial shade. The stated spacing guideline is 30 to 46 cm (12-18″). For container growing, the product record recommends: the detailed directions in the product record. Allow for the mature habit so neighbouring plants do not restrict light or access for harvest. Choose a site that is easy to water and leave enough room for air to circulate around the foliage. In a container, make sure several holes allow excess water to drain freely. A light mulch can steady moisture after the soil has warmed and plants are established. Place plants where their growth can be observed and stress can be addressed early.

When and how should I harvest 'Waltham 29' Broccoli?

For Waltham 29 Broccoli, the confirmed edible parts are: Flower heads harvested before they open fully. Harvest them at the stage stated in the product record, then sort the crop before preparation. Use only the parts correctly identified as edible for this plant. Use a clean tool and handle the harvest carefully to avoid unnecessary injury to the plant. Harvest in dry weather when practical and remove damaged portions promptly. Wash only the parts intended for the kitchen and refrigerate perishable produce promptly. Never eat a plant part whose identity or edibility is uncertain.