We would like to grow pumpkins from the pumpkin that we're now eating. We have taken some seeds out of the pumpkin and put them on a paper towel. It is spring here in Australia and we want to plant them now. How long do we wait from the time we've taken them out of the pumpkin to planting? We would like to put the seeds directly in the soil.
You can plant the seeds right away if it is spring. You only need to dry them if you plan on storing them before planting.
My pumpkin vines have frozen and are dead, but the quite large pumpkins are still green. Will they turn orange after picking them?
This article should help: https://www.gardeningknowhow.com/edible/vegetables/pumpkin/getting-green-pumpkins-to-turn-orange-after-the-pumpkin-vine-dies.htm
My pumpkins started out yellow and have not turned orange. Is this normal?
Some varieties of pumpkins are yellow or even green. You may have a yellow variety (which if you did not buy, may have been mislabled when you bought them). If they look healthy otherwise, you do not need to worry. You will just have interesting looking pumpkins this year.
I have several very small pumpkins that are covered in black fuzzy mold. What causes this and what can I do to prevent it?
It sounds like it has a form of sooty mold, which is a side effect of a pest infestation. I would treat the plant with neem oil. This will take care of both the sooty mold and any pests on the plant. This article has more information on neem: https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm
I planted pumpkins (4 plants) with my grandson. We have 2 good sized pumpkins but they are still yellow. Will the cool nights in Connecticut harm them? If I harvest them, will they still turn orange or will they stay yellow? I plan to let the rest of the developing pumpkins grow on the vines. There are about ten still growing. I think that I planted them too late in the spring. We had a very cool and rainy spring and early summer. A lot of my flower gardens did not do well this season.
These articles will help you:
https://www.gardeningknowhow.com/edible/vegetables/pumpkin/how-to-tell-when-pumpkins-are-ripe.htm
https://www.gardeningknowhow.com/edible/vegetables/pumpkin/getting-green-pumpkins-to-turn-orange-after-the-pumpkin-vine-dies.htm
How do you know if a pumpkin seed is good to keep for planting next year? I have a bunch of pumpkin seeds that I would like to keep, but some of them feel very light and hollow. Is there a test (like putting in water and seeing if they sink?) that can tell me if they are worth keeping?
The water test is not a very good test to perform on freshly collected seeds because they are all still filled with moisture. You can safely assume that they are viable as the seed would not have developed at all if it was not pollinated. That being said, you may only want to store the "strongest" looking ones, ones that are larger and plump. The reason is that these will have a better chance at surviving long term storage.
We have a green pumpkin in our garden. It stopped growing about two months ago. Should we pick it or leave it? Do you think it will turn orange? We also have a small orange pumpkin off the same vine but that one is not ripe. Can a pumpkin cross pollinate with squash? We have scalloped, yellow crooked neck, zucchini. We are confused.
This article should help with the pumpkins: https://www.gardeningknowhow.com/edible/vegetables/pumpkin/getting-green-pumpkins-to-turn-orange-after-the-pumpkin-vine-dies.htm
Yes, it is possible for cross pollination to occur between pumpkins and squash. Here is more information: https://www.gardeningknowhow.com/edible/vegetables/vgen/cross-pollination.htm