Growing Pumpkin

Cucurbita sp. : Cucurbitaceae / the gourd family

Jan F M A M J J A S O N Dec
  S S                  
        T              
        P              

(Best months for growing Pumpkin in USA - Zone 5a regions)

  • S = Plant undercover in seed trays
  • T = Plant out (transplant) seedlings
  • P = Sow seed
  • Easy to grow. Sow in garden. Sow seed at a depth approximately three times the diameter of the seed. Best planted at soil temperatures between 68°F and 90°F. (Show °C/cm)
  • Space plants: 35 - 47 inches apart
  • Harvest in 15-20 weeks.
  • Compatible with (can grow beside): Sweet Corn
  • Avoid growing close to: Potatoes
  • Pumpkin on vine

A large trailing plant with yellow, bell-shaped flowers, pumpkin is frost tender. Most varieties will take up a lot of room. Grow them at the edge of your garden patch so that they can spread away from other vegetables. Butternut produces small to medium pear-shaped fruit with deep orange flesh. Buttercup are small to medium round pumpkins with dark green skin. There are a number of large pumpkins, some round and flattish - good for storage and eating - others will produce the "Cinderella coach" type giant round fruit which are not such good eating.

Harvest when the vines die off and the pumpkins' stalks are dry. Leave a small piece of stalk attached to the fruit to prevent damp causing rot. The fruit can be stored for months in a cool airy place. In some parts of New Zealand, they are stored on shed roofs.

Pumpkins sometimes need hand pollination if the fruit are not setting well or die off after starting to grow, try picking a male flower (straight stem) and gently brushing pollen inside female flowers.

Culinary hints - cooking and eating Pumpkin

Cut up, remove the skin and roast with other vegetables or meat.

Young crisp shoots with young leaves can be cooked and eaten - stewed in coconut milk they are popular in Melanesia. Remove any strings and tough parts and stew until tender, or cook as a vegetable in boiling water 3 - 5 minutes.

Your comments and tips

27 Nov 23, FOX MAN (USA - Zone 8b climate)
what is the biggest type of pumpkin in a zone 8b area?
04 Sep 22, Jen (USA - Zone 8b climate)
Hi is sept with warm temps too late to plant pumpkins?
13 Sep 22, Anonymous (USA - Zone 8b climate)
It is about 4 months too late by the guide here. It is not the temps now but what they will be in 4-5months time when the pumpkin are suppose to mature.
27 Aug 20, alexander (USA - Zone 9b climate)
I read that they can have trouble pollinating without a little help, though I haven't started growing mine yet.
20 Sep 20, Ivie Walker (USA - Zone 9a climate)
Because of the heat in zone 9a. Plants have difficulty pollinating when temperatures are 90 degrees or higher. In Southern Nevada temps got to 120 degrees. I plant seeds especially seedlings once temps are below 90 degrees. When temps are high I use Blossom Set to help the fruit to set on
28 Aug 20, Anonymous (USA - Zone 6b climate)
If you don't have active bees when they flower then you can hand pollinate. A female flower is only open for a few hours one day, if not pollinated then no pumpkin grows. Google how to do it.
13 Jul 20, Marylee (USA - Zone 8b climate)
I was hoping to plant some pumpkins, but I am worried they won't grow very well since it is almost the middle of July. Can I still plant some in my garden? I live in a very warm climate too.
15 Jul 20, Colleen De Maio (USA - Zone 10b climate)
I think you should still get decent pumpkins in zone 8. Because it's so hot right now they should grow quickly, much more quickly than if you'd planted earlier. Make sure they have plenty of water, though, and mulch them so they don't fry. Good luck!
12 May 20, Caroline (New Zealand - cool/mountain climate)
Hi my name is Caroline and I’m not from New Zealand, but I love pumpkins! I REALLY REALLY have the urge to carve a pumpkin but unfortunately they are all out of season in America. This might sound stupid but are pumpkins on the same schedule in New Zealand bc of the difference in climate? Like would I be able to get one shipped ?
07 Apr 20, Auther Ray (USA - Zone 7a climate)
When is the best time to plant pie pumpkins in 74883? Reply from Gardenate : First find your USDA Plant Hardiness Zone by entering your ZIP code at the USDA Plant Hardiness website then check here www.gardenate.com/zones/#zone-US
Showing 1 - 10 of 19 comments

I have been growing Queensland Blues & Jap Pumpkins here in Sydneys West for a while and would like to know the following : Male flowers are plentiful usually at the start of the vine & female flowers are not as many but as the vine lengthens more females appear, so how far do you let the vine grow. If cut does the right ratio of flowers continue shoot or that stops everything, what you have is all you get and do you plug the cut end to prevent disease getting into the vine (read that on the net) Also everyone says when the vine withers pick your crop, mine was going great and green but I picked them (stem still green & firm) as I felt they were large enough but several had started to rot inside, we saved them luckey as another couple of weeks would have lost the lot. So how do you know when to pick. heard about tapping it sound hollow its ripe, pick a piece of skin with fingernail the skin can give you an idea. Noticed in the fruit shop many pumpkins have fingernail pieces dug out ??? somebody know something !!!!! As the pumpkin is pollinated & starts to grow do you sit it on a tile or similar keeping it off the ground ( for air & warmth circulation) sometimes when left on the ground the under side looks soft and worms and bugs seem to love that position.

- Robert B

Please provide your email address if you are hoping for a reply


All comments are reviewed before displaying on the site, so your posting will not appear immediately

Gardenate App

Put Gardenate in your pocket. Get our app for iPhone, iPad or Android to add your own plants and record your plantings and harvests

Planting Reminders

Join 60,000+ gardeners who already use Gardenate and subscribe to the free Gardenate planting reminders email newsletter.


Home | Vegetables and herbs to plant | Climate zones | About Gardenate | Contact us | Privacy Policy

This planting guide is a general reference intended for home gardeners. We recommend that you take into account your local conditions in making planting decisions. Gardenate is not a farming or commercial advisory service. For specific advice, please contact your local plant suppliers, gardening groups, or agricultural department. The information on this site is presented in good faith, but we take no responsibility as to the accuracy of the information provided.
We cannot help if you are overrun by giant slugs.