Photo by Melody

PlantFiles: Pumpkin, Winter Squash
Cucurbita maxima 'Big Max'

Family: Cucurbitaceae (koo-ker-bih-TAY-see-ee) (Info)
Genus: Cucurbita (koo-KER-bih-ta) (Info)
Species: maxima (MAKS-ih-muh) (Info)
Cultivar: Big Max

» View all varieties of Squash

2 vendors have this plant for sale.

12 members have or want this plant for trade.

Pumpkin (winter)

18-24 in. (45-60 cm)

8-10 ft. (2.4-3 m)

Days to Maturity:
111 to 120 days

Mature Skin Color:

35 to 100 pounds (16 to 45 kg)


Disease Resistance:
Unknown - Tell us

Seed Type:
Open Pollinated

Other details:
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Propagation Methods:
From seed; direct sow after last frost

Seed Collecting:
Allow unblemished fruit to ripen; clean and dry seeds
Properly cleaned, seed can be successfully stored

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1 positive
2 neutrals
No negatives

Gardeners' Notes:

Neutral mygardens On Oct 16, 2009, mygardens from Croton-on-Hudson, NY (Zone 6b) wrote:

Growing pumpkins is quite a challenge unless you want to do it with chemicals. In the past I have taken out the borers as described at . I discovered that if I start the seeds in large containters and don't plant them until late July, there is enough time in our area, for the pumpkins to mature - if the gophers don't eat the leaves which they did for the first time this year.

I think the reason this works is because the adult moths lay eggs near the base of the plant from late June through July and early August, and the borer larvae enter the stems where they live as borers, so I don't plant until after the moths have laid their eggs.

jaoakley - if you can keep out the borers, feed them some powdered milk and pinch off some of the pumpkins, they will grow over 100lbs.

Neutral DarcieC On Aug 20, 2004, DarcieC from Ada, MI wrote:

Cucurbita maxima is the giant squash and comes in many shapes, colors and sizes. This "breed" looks a lot like the classic members of the Cucurbita pepo ("true" pumpkins) species, but gets a lot bigger and has a harder thicker shell. Sadly, many don't get quite as round as you may like, nor are they the best to cook with, but are fun to grow just the same!

Positive jaoakley On Aug 19, 2004, jaoakley from Toronto, ON (Zone 5b) wrote:

These pumpkins are excellent for monster Jack O'Lanterns. This variety is often advertised as being capable of reaching 100 pounds. In my own experience, they have only reached 30 to 50 pounds, but this is still larger than your typical 20 pound Jack O'Lantern. The skin has an excellent colour, a nice bright orange. The flesh of this pumpkin is 3" to 4" thick and thus can be somewhat more difficult to carve in comparison to other pumpkins. The vines of this variety are much larger than most other pumpkins.


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

Unionville, Connecticut
Louisville, Kentucky
Ada, Michigan
Minneapolis, Minnesota
Aurora, Missouri
Croton On Hudson, New York
Dayton, Ohio
Elmira, Oregon
Cleveland, Tennessee
Nevada, Texas
Cheyenne, Wyoming

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