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Waltham 29 Broccoli Seeds

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85 days. Brassica oleracea. Open Pollinated. Waltham 29 Broccoli. The plant produces very flavorful heads of dark blue-green broccoli. The head averages 5 to 6 inches in diameter. Excellent for spring planting, midseason, or fall planting. This variety does extremely well on the East Coast and the Pacific Northwest of the United States. Cold Tolerant. It is named after Waltham, Massachusetts. Excellent choice for home gardens. Developed in the 1950s by the University of Massachusetts, Waltham, Massachusetts, USA. United States Department of Agriculture, NSL 6300. A variety from the USA.

SKU: BR6-250

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Country Of Origin: USA USA

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Price: $3.00

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Overview
Planting instructions
Growing Calendar
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Lot No: 101910

Germination: 85%

Seeds Per Pound: 128,000

Plant Height: 20” tall

Planting Season: Spring/Fall

Sunlight Requirement: Full Sun

Planting Method: Indoor Sow/Direct Sow

Broccoli Brassica oleracea - Italica Group

Seed Depth

Soil Temp. for Germination

Days to Germination

Sunlight Requirements

Planting Time

1/4 to 1/2"

70 F to 85 F

7 to 10 days

Partial Shade / Full Sun

Spring/Fall

USDA Hardiness Zone

Seed Spacing

Row Spacing

Space After Thinning

Days to Harvest

N/A

3 to 4"

24 - 36"

18 to 24"

55 - 85 days

Broccoli Planting Information:

Broccoli does best when temperatures remain between 40 F and 70 F during the growing period. Temperatures below 25 F can damage or kill broccoli. Spring planting should occur as soon as soil can be worked and after the last frost, and fall planting should be done 10 to 12 weeks before the first frost. In most areas, broccoli grows best if planted in late summer so it can mature during cool periods. Plants can grow 2 ft tall.

Soil Requirements:

Requires fertile soil in a well-drained location in the garden. Apply mulch, grass clippings, or straw around the base of the plant.

Water Requirements:

Keep well watered or the plant will have premature heading and flowering.

Fertilizer Requirements:

Use Slow Release (6 Month) Fertilizer when transplanting outdoors. Apply Miracle Gro Liquid Fertilizer periodically.

Harvest Tips:

When you begin to see the buds spread out, it is time to harvest. Cut heads with a sharp knife.

Broccoli
Growing Calendar

Indoor Germination Temperature: 70 to 85 F
Minimum Outdoor Temperature: 40 to 70 F

Start Indoors Transplant Start Outdoors Start Indoors Fall Transplant Fall Start Outdoors Fall Multiple Crops

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Seed Depth: ¼” to ½“

Days to Germination: 7 to 10 days

Plant Spacing: 18 to 24”

Row Spacing: 24 to 36”

Sunlight Requirement: Partial Shade/Full sun

Days to Harvest after Planting Outdoors: 55 to 85 days

USDA Hardiness Zone: 3 to 10

Use Miracle-Gro© Seed Starting Mix for best germination results.

2 review(s)

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From: sam | Date: 5/17/2018 2:45 PM

1st time planting broccoli and was surprised to see hoe easy it is to grow just have to watch the bugs, but man the plants are huge . Will grow more this fall in zone 8 here it is getting hot already in mid may.

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From: Guest | Date: 1/1/2011 10:32 AM

This was the first broccoli I started planting over 15 years ago and have grown it on and off since in western MN. I plant from seed in late June, 1/4 inch deep in soil with a pH of 7.9 and available N at least 100 lbs. per acre. The first cutting yields 6-9" heads in early September with recurring side shoots. The heads must be watched closely just prior to harvest since they will flower quickly--I call the time between the budding time to the time which they flower, "the holding time." In this variety, the holding time is very short especially as compared to a variety like Pac-man. It is ideally suited to a smaller garden incorporating staggered plantings from mid-June to early July. It has excellent flavor, a dependable and good producer, and the seed is relatively inexpensive.

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