Pumpkin, Winter Squash 'Big Max'

Cucurbita maxima

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


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:

Unknown - Tell us

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

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

This plant is attractive to bees, butterflies and/or birds

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Unknown - Tell us


This plant is said to grow outdoors 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

show all

Gardeners' Notes:


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 http://davesgarden.com/guides/terms/go/1604/ . 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.

ja... read more


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!


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.