How Goes The Swathe of Orange?


This summer was intense: intense heat, intense humidity and intensely waiting for rain. Now autumn, my favourite season, is upon us. While the heat is less intense, it’s still very humid and we’re still waiting for more rain. The Indian Summer this year meant mornings and evenings started getting cooler sooner than usual, and some plants haven’t liked this, even though it’s still been hot during the day. The cucurbits: pumpkins, squashes, cucumbers and melons, have been curling their toes up early. The powdery mildew really whacked them this year and the cooler mornings and evenings on top of that were the final straw for many of them.

The extra pumpkin area by the Cedar Pen is a disheveled mess that is slowly getting cleared.
The squashes are a dying mess too.
IMG_20190309_145208355_HDR 3x2
This is a fungus-eating ladybird, Illeis galbula. At first I thought this was a good ladybird, as it eats powdery mildew. Further reading revealed that it is NOT helpful, because it spreads fungus and mould spores to other plants. It even stores fungi on its body before hibernation. No!

I am interested to see that my Jack Be Little-Small Sugar hybrid pumpkins, which I am going to call Small Jack, have coped significantly better than all the others. They did get powdery mildew but they have plenty of fresh green laterals still growing and they are still fruiting. They are very vigorous. We haven’t tasted them yet, but if they taste good there’s definitely reason to keep that strain going.

I have been reading up about cross-pollination within the cucurbit family. I didn’t know they cross-pollinated so readily, as this season is the first time I’ve had trouble with it. Next season I’m going to have to plan things a lot more carefully. Here are the pumpkin and squash species and some of the cultivars or varieties they include. Varieties within the same species can and will cross-pollinate quite readily when grown in close proximity.

  • Cucurbita pepo: Most varieties of pumpkin (including small orange pumpkins and crown pumpkins), kamokamo, spaghetti squash, zucchini and gourds.
  • Cucurbita maxima: Giant pumpkins, Pink Banana Jumbo squash, Buttercup and some of the green pumpkins like Jarrahdale.
  • Cucurbita moschata: Butternut squashes and a few pumpkins like Long Island Cheese and Musquee de Provence.

If you grow these from bought seed every year, it doesn’t matter. But if you want to save seeds from your cucurbits to grow the next year, which is always a great and thrifty idea, you need to know which species the varieties you want to grow are in and take measures to separate or isolate the plants or flowers from each other. This is especially important in New Zealand, as stricter Biosecurity measures mean seeds of some varieties are no longer available commercially.

A precious Wee Bee Little Pumpkin. You can’t get these seeds anymore. And they’re the best-tasting pumpkin we’ve grown yet.

Last season I had Small Sugar pumpkins cross-pollinate with Wee Bee Little’s and Jack Be Little’s. You don’t know until you grow a plant from the seed. I am fortunate that some of the Wee Bee Little seeds I saved were pollinated true and grew true to type, otherwise I would be screwed! This season, I had all sorts of things grown nearby each other, so seed saving is going to be strict or risky.

  • The butternut squashes are fine, as they are the only Cucurbita moschata variety I grew. I can save seeds from them.
  • I cannot save seeds from the spaghetti squash, as no doubt they would have cross-pollinated with all the small pumpkins. That would not produce an ideal specimen. They are available to buy as seeds, and I still have some in the packet, so that’s ok.
  • There’s a chance the giant pumpkins could have cross-pollinated with the Pink Banana Jumbo squash (Cucurbita maxima), although the PBJs did very poorly, were planted later and were slower to get growing (sooooooo slow), so seed from my giant pumpkins might be true.
  • The small pumpkins will be the worst. I will save seed from the Wee Bee Little plant that was grown in The Little Fulla’s vege garden, as it was further away from the others, plus seeds from late pumpkins that might have avoided cross-pollination. I also have some seeds from last year of the ones that turned out true.

So, next season, some things will have to be separated far apart or planted two weeks or more apart. I am going to have to be careful. I can’t plant all sorts of pumpkins willy-nilly, however much I want to willy-nillily grow all kinds of fascinating pumpkins. The Vege Garden could house our precious Wee Bee Little’s, Butternut squashes and Pink Banana Jumbo squashes. Giant pumpkins will all have to be grown out the front. They can no longer hog space in the Processing Corner anyway. They’re too nuts. Another small pumpkin variety could be grown out the front. Or spaghetti squash. And more Butternuts if I need to. But there are so many pumpkins I want to grow! Why are there so many pepo’s? And why do they have to fraternise with each other? This is going to require more spreadsheets. Excellent.

Many of our pumpkins and squashes have been harvested, but some of the plants are not quite dead yet, so I’m leaving the fruits to ripen as much as they can.

Pumpkins, squashes and foggy mornings. And hot days.

The giant pumpkins aren’t particularly giant at this stage. The dry weather hasn’t helped them, nor the powdery mildew. The plants are still hanging in there though. There is one pumpkin out the front and two in the Processing Corner. It has been a mission culling other fruits off the plant in the Processing Corner. You really have to keep an eye on them. As it is, the plant has had to put energy into two fruits. I think I’m going to cut one off now to see if I can stuff some more growth into one of them before the carnival. I’m not holding my breath though. I have my sights set on other categories. And The Husband and The Little Fulla have their sights set on a pumpkin racer. The Great Pumpkin Carnival is now only two weeks away. Ahhhhhh!

8 thoughts on “How Goes The Swathe of Orange?

  1. ‘Sugar Pie’ and ‘Jack-O’-Lantern’. I planted them in the corners of the gardens, and let them creep along the base of a fence, over a paved area, so they did not take up space in the garden. We only grew ‘Jack-O’-Lantern’ because neighbors liked them for Halloween. They are neither as flavorful nor as meaty as ‘Sugar Pie’. Now that I think of it, we may not have saved seed from them. There were times when we grew something else rather than ‘Jack-O’-Lantern’, so those seed were purchased. It seems like I purchased ‘Sugar Pie’ seed too, although I can not remember why. They really were good though, and produced so much for such minimal effort.

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    1. It is a bit confusing trying to gather information on these varieties, as the names are evidently tossed around a bit across retailers, the media and two species: Cucurbita pepo and Cucurbita maxima. However, it seems to be most likely that the Jack-O-Lantern pumpkins are of the C. maxima species, as some large orange pumpkins are, and Sugar Pie of the C. pepo species, as most of the sweeter pumpkins are. I know my, probably related, ‘Small Sugar’ pumpkins were C. pepo because they cross-pollinated with the other pepos. If they are different species they ought not to cross-pollinate, so that could be why. Sounds like you had a good method for fitting them in the garden.

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      1. Not only did it save space in the garden, but it allowed the pumpkins to grow in the warmest situation. The concrete got warm during the day, and retained warmth into the innately cooler evenings. (Even during warm summer weather, things tend to cool off in the evenings.) Concrete also kept the pumpkins cleaner as they matured.

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  2. Goodness! I did not know that either. I never experienced it because we grew only two types of pumpkin at a time, and in different areas. I suppose they could have hybridized, but both seem to be true to type. We no longer grow them, and will not be growing them this year. (I might sneak some in after some work is done in May, but that is getting late.)

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