Photo by Melody

PlantFiles: Broccoli
Brassica oleracea 'Marathon'

Family: Brassicaceae (brass-ih-KAY-see-ee) (Info)
Genus: Brassica (BRAS-ee-ka) (Info)
Species: oleracea (awl-lur-RAY-see-uh) (Info)
Cultivar: Marathon


12-18 in. (30-45 cm)

18-24 in. (45-60 cm)

Not Applicable

Sun Exposure:
Full Sun

Unknown - Tell us

Bloom Color:
Bright Yellow

Bloom Time:


Other details:
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:
Unknown - Tell us

Propagation Methods:
From seed; sow indoors before last frost

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed


1 positive
1 neutral
1 negative

Gardeners' Notes:

Positive atldrmcrz03 On Dec 6, 2014, atldrmcrz03 from Cumming, GA wrote:

Growing Marathon and Green Magic this year in North Geogia (Athens area) and harvested the first heads the first week of December. It survived the cold snap down in the low 20's for a few days just fine.

Negative Calalily On Mar 20, 2011, Calalily from Deep South Coastal, TX (Zone 10a) wrote:

No field holding ability and is easily damaged by cold temperatures. It quickly turns yellow when harvested.

Neutral Farmerdill On Apr 24, 2004, Farmerdill from Augusta, GA (Zone 8a) wrote:

A 1985 Japanese hybrid from Sakata that is still going strong. It is a medium late cultivar, but widely adaptable. Head are high domed, blue green about 8 inches in diameter and of excellent quality.


This plant has been said to grow in the following regions:

Statham, Georgia
South Padre Island, Texas

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