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2024 Seed Catalog

Broccoli Marathon

VG20002

Marathon

Broccoli Seeds

(Hybrid) 70-75 days

Large, dense flower heads are attractively dome-shaped with small beads. Marathon is well-suited for late summer and fall crops; will overwinter for spring harvest in mild winter climates. Sturdy, upright hybrid plants grow 30-36 in. tall and 40-45 in. wide.

50 seeds - $3.99
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View all of our Broccoli varieties

Growing Marathon Broccoli Seeds

Bee introduces how to plant

Plant Broccoli Seeds: Sow broccoli seed in cell packs or flats ½ in. deep, 4 to 6 weeks prior to setting out. Space 10 to 18 in. apart. Can direct sow ½ in. deep, in rows 18 to 36 in. apart. Thin to 8 to 18 in. apart. Kept at 65-75°F., germination is in 7-14 days.

Grow Broccoli: Broccoli is a cool season vegetable that (in our relatively mild climate) we plant in fall, winter and spring. In cold-winter areas broccoli is planted in April and May and even through mid July if the summers are mild. Harvest before the flower buds open. Once the center head is cut, side shoots develop and will produce continuously when harvested regularly.

Shipping Information

U.S. Shipping Rates

Free shipping on U.S. orders over $60.00.
Free priority shipping on U.S. orders over $150.00.

Standard U.S. shipping is $5.99.
Priority U.S. shipping is $9.99.


International Shipping Rates

Shipping to Canada is $13.99.
International shipping to all other countries is $15.99.

Satisfaction Guarantee

We guarantee all the seeds we sell for one full year from the date of purchase. If you are unsatisfied with any seeds purchased from Swallowtail Garden Seeds, we will issue a refund. For customers in the U.S., we can send one-time replacements or issue a refund.