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Imperial Broccoli


Imperial Broccoli is a hybrid broccoli variety that performs well in warmer conditions with longer days. Great for late spring or early fall plantings. 6-8″ heads with excellent flavor and texture. Brassica oleracea var italica. 70 days to maturity.

100 seeds per packet


Be sure to check out our Broccoli Growing Guide for more tips & tricks on successfully growing broccoli at home.

Imperial Broccoli is a hybrid broccoli variety that is suitable for growing in warmer conditions. This variety performs best when grown in early fall or late spring, when days are longer and temperatures are warmer. It is exceptionally heat-tolerant and can handle the increasingly warm temperatures in late spring and early summer, as well as extended warm temperatures into early fall.

Imperial Broccoli produces vigorous plants with 6-8" heads. The heads have tightly-formed crowns with small beads for optimal texture and flavor. The heads hold well after harvesting and will store well in the refrigerator without getting seedy. This makes it a great variety for processing and freezing for later.

Broccoli may be direct-seeded, but it performs best when transplanted. Transplanting allows for more consistent plant spacing, and prevents broccoli seedlings from competing with weeds in the early stages of the plant. We recommend starting transplants 3-4 weeks before the desired outdoor planting date. Broccoli transplants grow great in our heavy-duty seed starting trays, where they develop a solid root ball with roots that are trained to grow downward. Plants are ready to go in the ground when they can be easily pulled from the cells in the seed starting tray.

Broccoli crowns should be harvested when they are dark green, before any flowers or Seeds develop on the crowns. As temperatures warm in the spring, broccoli crowns will mature faster and should be monitored. Although broccoli leaves are frost-tolerant, broccoli heads are not. If frost is imminent while crowns are developing, be sure to use some form of row cover to protect the crowns from frost.

Imperial Broccoli Planting Information

Planting Method: transplant

When to Plant: early spring and fall

Planting Depth: 1/4"

Seed Spacing: 12"

Row Spacing: 2-3'

Days to Maturity: 70

Disease Resistance: None

Customer Reviews

Based on 4 reviews
5 out of 5

This is the best broccoli I have ever grown. It is very heat tolerant.

Sonny Brown
5 out of 5

Sepurb quality seeds and packaging. Fast delivery.

jay lemoine
5 out of 5

So far, so good !! 99% germination in just 4 days

Marlene M Howell
5 out of 5

Sprouted surprisingly quick!