Photo by Melody

PlantFiles: Tomato
Lycopersicon lycopersicum 'Improved Colossal Yellow'

Family: Solanaceae (so-lan-AY-see-ee) (Info)
Genus: Lycopersicon (ly-koh-PER-see-kon) (Info)
Species: lycopersicum (ly-koh-PER-see-kum) (Info)
Cultivar: Improved Colossal Yellow
Registered or introduced: 1948

» View all varieties of Tomatoes

4-6 ft. (1.2-1.8 m)

24-36 in. (60-90 cm)

Sun Exposure:
Full Sun

Parts of plant are poisonous if ingested

Seed Collecting:
Ferment seeds before storing

Growing Habit:

Fruit Shape:

Fruit Size:
Large (over one pound)

Days to Maturity:
Late (more than 80 days)

Fruit Colors:

Seed Type:

Fresh, slicing

Disease Resistance:
Unknown - Tell us

Leaf Type:
Regular Leaf


1 positive
1 neutral
No negatives

Gardeners' Notes:

Neutral Suze_ On Jan 18, 2006, Suze_ from (Zone 7b) wrote:

95 days, indeterminate Released by the Burgess Seed and Plant Company, Galesburg, Michigan in 1948.
It is the result of several generations of selective breeding of a superior specimen of Yellow Ponderosa. Fruits are very large.

Positive Farmerdill On Jan 25, 2004, Farmerdill from Augusta, GA (Zone 8a) wrote:

I grew the Burgess Collossal in the 50's and 60's. They are similar enough to their Ponderosa counter parts to be improved Ponderosa's. They are smoother than the Ponderosa's and may be an ounce or so larger. Same open type vine that is short enough to grow using the sprawl method. They come in four colors; a dark pink, a bright red, a deep yellow and a light yellow. I prefer the gold (dark yellow) to the light yellow. Both are smoother than the dark pink.


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

Radford, Virginia
Troy, Virginia

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