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Squash & Zucchini Planting, Growing, Harvesting Guide ~ How to Container Gardening

Botanical name: Cucurbita


Plant type: Vegetable

USDA Hardiness Zones: Varies

Sun exposure: Full Sun

Soil type: Loamy

Squash is a seasonal vegetable. It is very susceptible to frost and heat damage, but with proper care it will produce a bumper crop with very few plants.

There are many varieties of summer squash to choose from, including zucchini. The main difference between winter and summer varieties is their harvest time; the longer growing period gives winter squash a tougher, inedible skin. Here are their various botanical names: Cucurbita pepo (Summer squash/Zucchini), C. maxima (True winter), C. pepo (Acorn, delicata, spaghetti) , C. moschata (butternut).


  • Start seeds indoors 2 to 4 weeks before last spring frost in peat pots.
  • Do not seed or tranplant seeds outside until the soil temperature is 55 to 60º F for successful germination. Usually, you can seed any time from one week after the last spring frost to midsummer.  You may be able to have two crops per season if you time it right.
  • The outside planting site needs to receive full sun; the soil should be moist and well-drained, but not soggy
  • Work compost or aged manure into the soil before planting for a rich soil base.
  • To germinate outside, use cloche or frame protection in cold climates for the first few weeks.
  • When you transplant, take care not to damage the root ball.
  • Plant seeds one inch deep and 2 to 3 feet apart.
  • Most summer squashes now come in bush varieties, but winter squash is a vine plant and needs more space. They will need to be thinned in early stages of development.


  • Mulch plants to protect shallow roots, discourage weeds, and retain moisture.
  • Plants love lots of compost and will produce better if well fed. When the first blooms appear, apply a small amount of fertilizer as a side dress application and water thoroughly.
  • After harvest begins, fertilize occasionally for vigorous growth and lots of fruits.
  • For all type of squash, frequent and consistent watering is recommended. Water most diligently when fruits form and throughout their growth period.
  • To know when to water, use the finger method. Put your finger in the soil and if it’s dry beyond the first joint, it needs watering.
  • If your fruits are misshapen, they might not have received enough water or fertilization.


  • If your zucchini blooms flowers but never bears actual zucchini, or it bears fruit that stops growing when it’s very small, then it’s a pollination issue. Most squashes have separate male and female flowers on the same plant. To produce fruit, pollen from male flowers must be physically transferred to the female flowers by bees. If you do not have enough bees, you can manually pollinate with a Q-tip—or, add nearby plants that attract bees!
  • Cucumber Beetle (link to pest page)
  • Squash Bug (link to pest page)
  • Squash Vine Borer (link to pest page)
  • Blossom End Rot: If the blossom ends of your squash turn black and rot, then your squash have blossom-end rot. This condition is caused by uneven soil moisture levels, often wide fluctuations between wet and dry soil. It can also be caused by calcium levels. To correct the problem, water deeply and apply a thick mulch over the soil surface to keep evaporation at a minimum.  Keep the soil evenly moist like a wrung out sponge, not wet and not completely dried out.
  • Stink Bug: If your squash looks distorted with dippled area, the stink bugs overwintered in your yard. You need to spray or dust with approved insecticides and hand pick in the morning. Clean up nearby weeds and garden debris at the end of the season to avoid this problem.
  • Aphids (link to pest page)


  • Harvest summer squash when small and tender for best flavor. Most varieties average 60 days to maturity, and are ready as soon as a week after flowering.
  • Check plants everyday for new produce.
  • Cut the gourds off the vine rather than breaking them off.
  • Fresh summer squash can be stored in the refrigerator for up to ten days.
  • Harvest winter squash when rind is hard and deep in color, usually late September through October.
  • Winter squash can be stored in a cool, dark place until needed. It will last for most of the winter. If you have a cool bedroom, stashing them under the bed works well. They like a temperature of about 50 to 65 degrees F.
  • Freezing Summer squash: Wash it, cut off the ends, and slice or cube the squash. Blanch for three minutes, then immediately immerse in cold water and drain. Pack in freezer containers and freeze.
  • Freezing Winter squash: Cook as you normally would, then mash. Pack in freezer containers.
  • Pull up those vines and compost them after you’ve picked everything or after a frost has killed them. Then till the soil to stir up the insects a bit.

Recommended Varieties

  • ‘Goldbar’ (yellow summer)
  • ‘Cocozelle’ (zucchini) dark green, slender
  • ‘Butterbush’ (butternut)
  • ‘Cream of the Crop’ (acorn hybrid, prize winning)


Wit & Wisdom

Squash flowers make a tasty treat when fried in a light batter.





How to Grow and Care for Zucchini in Containers


Photo by Mangus Manske

Intro: Zucchini plants are hybrids with cucumbers. Growing zucchini in plant containers in kitchen gardens is easy, and your plants should produce great-tasting fruit quickly. There are a few zucchini varieties, but most are a dark green color. Some zucchini varieties are light green, yellow or orange. Because zucchini plants are large, choose a very large plant container that is at least 2 feet by 2 feet for one plant. If you crowd your zucchini plants, it will negatively affect the yield.

Scientific Name: Cucurbita pepo hybrid

Plant Type: This plant is considered an annual vegetable, although the zucchini is technically a fruit.

Light: Full sun

Water: When it comes to watering your zucchini plants, provide well-draining potting soil that is constantly moist but never soggy.

Zone: The zucchini plant is a warm-weather crop.

Fertilizer: When you prepare the potting soil for planting, introduce compost or a slow-release fertilizer. Also add a slow-release fertilizer to your zucchini plants once a month for the rest of the growing season.

Pests and Diseases: Snails and slugs can be a common garden problem with zucchini plants. Powdery mildew is prevalent in crowded plants. Keep the zucchini leaves dry when watering, and cut off affected leaves.

Propagation: Sow zucchini seeds directly outside in the kitchen garden after the last frost has passed. Plant the seeds about three-fourths of an inch deep in the potting soil. You can also begin seeds indoors in March if you want to get started early. Zucchini seeds will germinate in about a week, give or take a couple of days. Thin zucchini seedlings by cutting weak seedlings (don’t pull the seedlings out) once two true leaves have formed. Fruit will not form without bees and other pollinators. Don’t use pesticides on your zucchini that will affect pollinators.

Misc. Info: Harvest your zucchini from the kitchen garden once they’re about 8 inches long and at least 1.5 inches thick. Don’t wait too long, or the zucchini fruit will dry out and not taste as good.

Zucchini blooms are also eaten, just like pumpkin flowers, and can be fried or eaten in a quesadilla. Unlike the cucumber, zucchini fruit is usually cooked. It can be cooked in many different ways. Use your zucchini within three days.



See Also …

How to Grow Zucchini | Guide to Growing Zucchini

How to Grow Zucchini

Zucchini: A Growing Guide @ Organic Gardening

Solutions For Common Problems Growing Zucchini



13 responses

  1. Reblogged this on quarteracrelifestyle.

    June 7, 2013 at 2:17 am

  2. Great info, yet again. Reblogged ta 🙂

    June 7, 2013 at 2:18 am

    • thank you 🙂

      June 7, 2013 at 2:25 am

    • couple more quick ideas

      i grate and freeze zucchini no blanching in one and 2 quart bags, use it over winter for zucchini bread and cake recipes, adjust liquid added to recipe as needed (will need less with frozen zucchini)

      butternut squash can be used same as pumpkins for pies, roast and scoop out make as you would pumpkin filling

      June 7, 2013 at 2:49 am

      • We do the same thing with zucchini 🙂

        We don’t eat alot of squash here but heaps of pumpkin. Butternut is something we rarely see here now, ate in often as a child.

        June 7, 2013 at 4:16 am

  3. marycheshier

    Reblogged this on How 2 Be Green and commented:
    I love this blog. Thanks!

    September 15, 2013 at 10:51 pm

    • thank you 🙂 i usually try one blog post per day but have been little busy, hope to spend more time here soon

      September 16, 2013 at 1:57 am

      • marycheshier

        You are welcome.. Cool… nice to meet a fellow gardener… I usually don’t blog much on How 2 Be Green for I have two other big blogging websites.

        September 16, 2013 at 2:05 am

      • i hear you, i have neglected my personal blog and few others … been focused on the anti war effort, we dodged that bullet for now at least. have to come by and check out your blog 🙂 nice to meet you, feel free to snag anything you like

        September 16, 2013 at 2:07 am

      • marycheshier

        Yes, for now hopefully. Three cheers for being active on the anti war effort! Nice to meet you as well! 🙂

        September 18, 2013 at 2:18 am

      • thank you 🙂

        September 18, 2013 at 2:23 am

      • marycheshier

        U R welcome… Have a great night…

        September 18, 2013 at 2:28 am

      • marycheshier

        You are welcome 🙂

        September 21, 2013 at 9:55 pm

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