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How to Grow Cucumbers

Cucumbers are ready to harvest on the vine.

A smart pick for beginner gardeners, learning how to grow cucumbers is a wonderful way to cultivate your green thumb. With a spring or summer planting season, cucumbers are ready to go in the ground when the outdoor temperature is regularly in the 20s in your area.

There’s work to be done before you can plant and harvest your cucumbers though. Use this guide to learn how to grow cucumbers at home.

Skill Level: Beginner
Time:
  1. Step 1 Choose Your Cucumber Type

    Cucumbers grow on a tall vine in a beautiful backyard setting.

    Most cucumber types are relatively easy to grow, but you’ll need to pick one type to start with in your garden. Small lemon cucumbers and pickling cucumbers are great for tight spaces. Armenian or Persian cucumbers provide more fruit without the extra requirements of larger varieties like English cucumbers.

    Choose your favorite style and get growing!

  2. Step 2 Start from Seed, or Buy a Young Plant

    Cucumber seeds in a multi-pot have sprouted and are ready to go in the ground.

    When growing cucumbers, you can either start them from seed indoors if you want to get an early start on your growing season, or you can buy young cucumber plants that are ready to plant if you’ve missed the seed window.

    If you’re using bush cucumbers like Boston pickling cucumbers that can grow well in containers, you can begin the growing process indoors in pots. Ideally, you want to get your seeds into plants about two to three weeks before the expected last frost date.

    Whether you’re growing from seed or planting a young plant, remember that you want your soil to be around 20 C or a little warmer when the cucumbers go in the ground.

  3. Step 3 Prepare the Soil and Move the Cucumber Plant Outdoors

    A gardener works to prepare the soil for a successful planting season.

    When it comes to how to plant cucumbers, remember that cucumbers grow best in full sun, so choose a planting site that can provide it. Once you’ve found your spot, prepare the soil by adding about two inches of aged manure or compost to the area. Mix it in until it’s at a depth of about six to eight inches. Aim for a pH of 6.5 to 7.0 for cucumber growth.

    Cucumber plants should be placed about one inch deep in the soil. Space your plants three to five feet apart for proper growth. Note that some cucumber varieties need more space, so check your seed packet for more details.

  4. Step 4 Water Frequently and Maintain the Moisture with Mulch

    A mother and child water their budding cucumber plants.

    Cucumbers are considered thirsty plants, so you’ll want to keep them well-watered, particularly when it’s hot outside. In most cases, watering twice per week to maintain moist soil is all that’s required.

    Maintaining moisture with a thin layer mulch is also popular among gardeners. Plastic mulch can be added when you plant, but organic mulch like leaves and straw should be reserved for the warmer summer months.

  5. Step 5 Fertilize the Soil

    A person holds cucumber seeds near well-hydrated and fertilized soil.

    Fertilizer can help you grow cucumbers, but it is possible to over-fertilize your soil. With cucumbers, all you need is a low nitrogen, high potassium and high phosphorous fertilized added to your planting area every three weeks. Don’t overdo it or you risk reducing the growth of your cucumbers.

  6. Step 6 Harvest Your Cucumbers

    Sliced cucumbers on a wood cutting board are ready to enjoy.

    Cucumbers are ready to harvest whenever they’re large enough to pick. As your fruit gets larger, you’ll likely want to check your cucumbers each day, removing those that are ready to enjoy.

    Harvested cucumbers typically last seven to 10 days in the refrigerator, but they’ll have the best flavor in the first few days after picking. You can wait a few days after harvest to add your cucumbers to pickling solution without sacrificing flavor or crunch.

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