Broccoli Seeds - Calabrese HEIRLOOM - OPEN POLLINATED
- Heads up to 8 Inches in Diameter
- 50 Days to Harvest
- Prefers full sun exposure
Availability & Turnaround Time
All seeds are shipped year-round, while flower bulbs are shipped on a seasonal basis. Typical turnaround times for in-stock items is between 2 – 5 business days.
| Category | Shipping Period |
|---|---|
| All Seeds: | |
| Zones 2 – 10 | Year-Round |
| Spring Planted Bulbs & Perennials (Warmest Regions First): | |
| Zones 8 – 10 | Early-Mid March |
| Zones 7 | Mid-Late March |
| Zones 6 | Late March - Early April |
| Zones 5 | Early-Mid April |
| Zones 2 – 4 | Late April - Early May |
| Fall Planted Bulbs & Perennials (Coldest Regions First*): | |
| Zones 2-4 | Mid September |
| Zones 5 | Mid-Late September |
| Zones 6 | Late September |
| Zones 7 | Late September - Early October |
| Zones 8-10 | Early October |
We try our utmost to maintain reliable inventory of all products, and are very proud of our record in doing so. However, as we are a company engaged in what Mother Nature provides, we do sometimes experience shortages and crop failures beyond our control. If, for any reason, we are required to backorder any portion of your order, rest assured we will keep you apprised of updated shipping information and/or any other options that may satisfy your needs and wishes.
Product Description
-
Fast Facts
Name: Calabrese Broccoli Botanical Name: Brassica oleracea "Calabrese" Type: Heirloom Size at Maturity: Central Head 8" in Diameter Days to Maturity: 50 Days Light Requirement: Full Sun Planting Time: Cool Season Sowing Method: Indoor Sow Planting Depth: 1/4" Plant Spacing: 15" - 18" Seeds per Pound: NA Hardiness Zones: All Ships: Year-round Average Seeds Per Packet: ~1/4 tsp -
Planting Instructions
When to plant:
- Broccoli can be planted in both the Spring and Fall. The seeds can germinate with temperatures as low as 40 degrees F.
How to plant:
- Broccoli needs full sun and moist soil.
- Slightly acidic soil is prefered - for soil testing, contact your local Agricultural Extension office.
- Plant the seeds ½ inches deep in fertile soil.
- If planting in rows, plant 12-24 inches apart with rows 36 inches apart.
- Make sure to keep your broccoli plants watered, but take care to not get the developing broccoli heads wet while watering.
- For Spring planting: sow seeds indoors 2-3 weeks before the last frost.
- For Fall planting: sow seeds 85-100 days before the average Fall frost, during mid- to late-summer.
When to harvest:
- Harvest your broccoli when you see that the buds of the head are firm.
- Cut the stalk of the main head at a slant, and smaller side shoots will grow up from where you’ve cut.
**If you live in a warmer climate, broccoli does best with a Fall planting. If you fear that your soil will be too hot, a layer of mulch will help ensure cooler soil temperatures. Make sure to harvest your broccoli before the yellow flower petals start to show - those parts have a mealy texture.
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Product Reviews
Review
Seeds worked. I germinated seeds in wet paper towel in fridge
I germinated seeds in end of Aug in wet paper towel/ Baggie for a couple of days planted beginning of September. I got plants but I'm battling Cabbage looper caterpillars. Didn't know I had an issue till I found a butch of eaten seedlings. Just buy the seeds and give them a shot. I was surprised I got as many seedlings as I did.
Could have used more seeds in a pack compared to Spinach and Brussels Sprouts.
Part of the cold weather planting experiment.
Review
Very Happy
As good as it gets. Abundant procucer. Very satisfied.
