Alicia DeVore

Are you eager to start your own garden but feeling overwhelmed? Don’t worry – I’ve got a simple guide that will ease you into gardening, even if you’re a beginner. All you need is a container, some organic soil, and a few cucumber plants or seeds. To help them thrive, use a tomato cage or support system. Starting your garden with cucumbers is a fantastic and enjoyable way to dive into gardening.

Let’s get started with these 5 essential tips for planting and growing cucumbers to help you start no matter how small or large a space you have.

5 tips to growing and planting cucumbers

TIP #1 : Best Time to Grow Cucumbers 🥒

First thing to understand is that cucumbers are a warm-season crop, so choosing the right time to plant is essential for a successful harvest. How do you know when the time is right, look for these three factors.

Wait for the last frost date: Cucumbers are sensitive to cold temperatures. Make sure to plant them after the last frost date in your region. You can find this information through local gardening resources or online.

Monitor soil temperature: The ideal soil temperature for cucumber seeds to germinate is between 60°F and 90°F (15°C – 32°C). Use a soil thermometer to check the temperature before the planting of cucumber.

Choose the right season: Plant cucumbers during late spring or early summer when the weather is consistently warm. In most regions, this means planting between April and June.

cucumber flower with a baby cucumber growing from a vine

TIP #2 : Types of Cucumbers and Varieties to Grow

The next important factor in growing cucumbers is deciding which ones to grow. There are two categories of pickles: slicing cucumbers and pickling cucumbers. Which ones would fit you and your eating habits best?

Slicing Cucumbers

Varieties: Straight Eight and Marketmore 76 are popular slicing varieties of cucumber varieties that I have grown in my garden.

Benefits: These varieties are known for their excellent flavor, uniform size, and smooth texture. They have a high yield and are ideal for fresh eating in salads or as a snack.

Challenges: Slicing cucumbers can be susceptible to pests like cucumber beetles and diseases such as powdery mildew and bacterial wilt.

Growing Conditions:

The ideal conditions for plant growth include well-drained soil which can be maintained by applying compost to ensure adequate nutrient levels.

The best temperature for these plants is between 70-90°F (21-32°C). Cucumbers require full sun for at least 6-8 hours a day with moderate humidity levels.

Harvesting Tips: Harvest slicing cucumbers when they are 6-8 inches long and uniformly green, avoiding overripe cucumbers with yellow spots.

cucumbers sliced on a cutting board with a knife

Pickling Cucumbers

Variety: Boston Pickling and National Pickling are widely grown pickling cucumber varieties that I have had in my own garden.

Benefits: These two varieties of cucumbers are specifically bred for pickling purposes, offering a crisp texture, smaller size, and thin skin that absorbs pickling brine well. They also have a high yield and disease resistance.

Challenges: Pickling cucumbers face similar challenges as slicing cucumbers, including pests and diseases like cucumber beetles, powdery mildew, and bacterial wilt.

Growing Conditions:

To grow cucumbers successfully, it is essential to provide them with well-drained soil.

The soil should be enriched with compost optimal nutrient levels. Cucumbers thrive in an ideal temperature range of 70-90°F (21-32°C) and require full sun exposure for at least 6-8 hours daily.

Harvesting Tips: Harvest cucumbers for pickling pick cucumbers only when they are 2-4 inches long, checking plants daily as they grow quickly. Pick them before they become too large and seedy.

two hands holding small pickling cucumbers just harvested

The next step is deciding how you want to plant your cucumbers either from seed directly in the ground or as a transplant.

TIP #3: Two Ways of Planting Cucumbers

Directly Planting Seeds in Soil Outside

  • Timing: Wait until the soil temperature is consistently above 60°F (15°C) and there is no risk of frost. Cucumbers are sensitive to cold temperatures and will not germinate or grow well in cold soil.

  • Soil preparation: Choose a location with well-draining soil and full sun exposure. Prepare the soil by loosening it and mixing in organic matter such as compost. This will provide the necessary nutrients for healthy growth.

  • Planting: Plant the seeds about 1 inch deep and 6-8 inches apart. Cover the seeds with soil and water them gently but thoroughly. Add a trellis or support system so that the cucumbers can grow vertically.

  • Germination: Seeds should germinate within 7-10 days, depending on the temperature and moisture levels.

Advantages:

cucumber seed sprouting out of the ground
  • Simpler process with fewer steps

  • No need for additional equipment or resources

  • Seeds can adapt to outdoor conditions from the beginning, potentially resulting in stronger plants

Disadvantages:

  • Limited planting window due to weather constraints

  • Higher risk of seeds being damaged by pests, diseases, or unfavorable weather conditions

Starting Seeds Indoors and Transplanting Outside

3 pots with cucumber plants growing with wood background

This method involves germinating cucumber seeds indoors, nurturing them into seedlings, and then transplanting them outside once the weather conditions are suitable. Or you can just buy seedlings that are ready to plant from a local plant nursery. Both ways work as you as start your vegetable garden now.

  • Timing: Start the seeds 3-4 weeks before the last expected frost date in your area.

  • Indoor planting: Plant the seeds in seed trays or small pots filled with a well-draining seed-starting mix. Keep them in a warm location (70-75°F, 21-24°C) and ensure they receive adequate light, either from a sunny window or supplemental grow lights.

  • Germination: Seeds should germinate within 5-7 days, depending on the temperature and moisture levels.

  • Transplanting: Once the seedlings have developed 2-3 true leaves and the outdoor soil temperature is consistently above 60°F (15°C), they can be transplanted into the garden. Harden off the seedlings by gradually exposing them to outdoor conditions for a week before transplanting.

Advantages:

  • Longer growing season, leading to earlier harvests

  • Better control over germination conditions, resulting in a higher success rate

  • Greater protection against pests, diseases, and unfavorable weather conditions during the early stages of growth

Disadvantages:

  • Requires additional equipment, resources, and time for indoor planting and care

  • Seedlings can experience transplant shock, potentially leading to slower growth or plant loss

  • More labor-intensive process compared to direct seeding

TIP #4 : Growing Cucumbers Vertically in Small Spaces

Next on the list to growing successful cucumbers is using your vertical space to maximize your garden space.

cucumbers plant growing vertically

Benefits of Vertical Gardening for Cucumbers

  • Space-saving: Vertical gardening allows you to grow more plants in a smaller area, making it ideal for small gardens, patios, or balconies.

  • Improved air circulation: Growing plants vertically promotes better airflow, reducing the risk of fungal diseases and improving overall plant health.

  • Easier harvesting: Vertical growth makes it simpler to spot and pick ripe cucumbers, reducing the chance of overripe or damaged fruit.

  • Reduced pest and disease issues: Raising plants off the ground reduces the risk of soil-borne diseases and pests, leading to healthier plants and a more bountiful harvest.

Pruning and Trellising

pruning cucumber vines

Pruning is essential for maintaining healthy, productive cucumber plants. Remove any yellowing or diseased leaves, as well as any fruit that appears misshapen or damaged. Regularly trim back lateral branches to encourage upward growth and better fruit production.

As the plants grow, continue to secure them to the support structure with soft ties, ensuring the vines are well-spaced for optimal airflow and direct sunlight exposure. This will help prevent disease and promote even ripening cucumbers.

Cucumber Trellis Options

cucumbers growing up a trellis with lots of yellow flowers

A trellis is an essential component when growing cucumbers vertically, as it provides support and encourages upward growth. The following are some popular trellis options for grow cucumbers vertically:

1. A-Frame Trellis

An A-frame trellis consists of two panels connected at the left on the vine on top, forming an “A” shape. This sturdy design provides ample support for vining plants or even cucumbers on the vine and allows them to climb on both sides, maximizing space. A-frames can be made from wood, metal, or PVC pipes, and can be easily folded and stored when not in use.

2. Lean-To or Single Panel Trellis

A lean-to trellis consists of a single panel that is installed at an angle, either against a wall, fence, or freestanding with support stakes. This trellis option is ideal for smaller spaces and can be made from various materials such as wood, metal, or plastic. Cucumber vines can easily climb the panel, making harvesting more accessible.

3. Arch or Tunnel Trellis

An arch or tunnel trellis creates a walkway covered with cucumber vines, providing a unique and functional garden feature. This trellis type can be constructed using metal or PVC hoops connected by a horizontal support or by bending flexible materials like cattle panels into an arch shape. The cucumber vines will grow up and over the arch, creating a shaded, picturesque passageway.

4. Teepee or Tripod Trellis

A teepee or tripod trellis is formed by connecting three or more poles or stakes at the top, creating a conical structure. This design is simple to construct and can be made from materials such as bamboo, wooden poles, or metal rods. Cucumber vines can climb the poles, making the most of vertical space and adding a decorative element to the garden.

5. Netting or Mesh Trellis

A netting or mesh trellis consists of a grid-like structure made from materials such as nylon, plastic, or wire. The netting can be attached to a frame, fence, or wall, providing a lightweight and flexible support system for cucumber vines. This trellis option is cost-effective and easy to install, although it may not be as durable as some other options.

6. Lattice or Grid Trellis

A lattice or grid trellis features a crisscross pattern made from wood, metal, or plastic. This trellis type offers a classic, decorative look and provides plenty of support for cucumber vines. Lattice trellises can be attached to a frame or wall, or they can stand alone with support stakes.

When choosing a trellis for your cucumbers, consider factors such as the available space, the desired aesthetic, and the durability of the materials. Regardless of the trellis option you choose, providing proper support for your cucumber plants will encourage healthy growth, improve air circulation, and make harvesting easier, ensuring a bountiful and enjoyable harvest.

cucumber vine with flowering cucumber

TIP #5: How to Grow Cucumbers in Larger Spaces

In larger gardens, cucumbers can be grown both horizontally and vertically, offering more planting options and the opportunity to harvest cucumbers.

Planting Cucumbers

In large garden areas, cucumbers can be planted in rows or hills, depending on your preference and the variety chosen. For vining cucumbers, provide a support system such as a trellis, cage, or netting to encourage vertical growth and improve air circulation.

  • Row planting: Plant cucumber seeds or seedlings about 6-12 inches apart in rows that are 4-6 feet apart.

  • Hill planting: Create small mounds of soil (hills) spaced 4-6 feet apart and plant 3-4 seeds or seedlings per hill.

Watering Cucumber Plants

Cucumbers require consistent moisture and warm soil to thrive. Water your plants regularly, ensuring the soil remains evenly moist but not waterlogged. In hot weather, you may need to water more frequently.

two hands with gloves on planting a cucumber seeding

Tips to Grow Cucumbers

Watering and Feeding Schedule

Cucumbers require consistent moisture to thrive. Water your plants regularly, ensuring the soil remains evenly moist but not waterlogged. In hot weather, you may need to water daily. For container-grown cucumbers, check the soil moisture by sticking your finger an inch into the soil; water when the top inch feels dry.

Feed your cucumber plants with a balanced, slow-release fertilizer at planting time, followed by regular applications of liquid fertilizer (such as fish emulsion or seaweed extract) every 2-3 weeks during the growing season.

cucumber seedling growing

Potential Pests, Diseases, and Other Problems

Some common diseases and pests affecting cucumbers include:

  • Powdery mildew: A fungal disease that appears as a white, powdery substance on leaves. Prevent powdery mildew by promoting good air circulation and avoiding overhead watering. Treat infected plants with a fungicide or homemade baking soda spray.

  • Cucumber beetles: Small, yellow and black beetles that can transmit bacterial wilt. Control cucumber beetles by using floating row covers, regularly inspecting plants for signs of infestation, and using insecticidal soap or neem oil as needed.

  • Aphids: Tiny insects that can cause leaf curling and the spread of diseases. Control aphids with regular blasts of water from a hose, introducing beneficial insects such as ladybugs, or using insecticidal soap.

Grow Cucumbers Companion Plants

purple flowers with butterfly in garden

When cultivating cucumbers, you have a variety of options for companion plants that can help boost growth, deter pests, and maximize the use of space to preserve cucumbers.


Beans and Peas: They enrich the soil with nitrogen, which cucumbers need to grow healthily.

Dill: This herb attracts beneficial insects that prey on common cucumber pests.

Marigolds and Nasturtiums: These flowers are known for their pest-deterrent properties and can protect your cucumber plants from harmful bugs.

Borage: It’s believed to enhance the flavor and growth of cucumbers and also attracts pollinators and beneficial insects.

Tomato, Eggplant, and Peppers: These plants share similar growing requirements as cucumbers, making them good companions.

Harvesting and Storing Cucumbers

To enjoy fresh, crisp, and delicious cucumbers, it’s essential to harvest them at the right time and store them properly.

cucumber on a vine ripe to pick

Harvesting Cucumbers

  1. Check for size and color: Cucumbers should be harvested when they reach their mature size and have a uniform green color (depending on the variety). For most slicing cucumbers, this is around 6-8 inches long, while pickling cucumbers might be smaller, about 3-4 inches long.

  2. Inspect for firmness: Gently squeeze the cucumber to ensure it’s firm and not overripe. Overripe cucumbers become soft and may develop a yellowish color.

  3. Use a sharp tool: Use a sharp knife, scissors, or pruning shears to cut the cucumber from the vine. Cut the stem about 1/4 inch above the fruit, leaving a small “cap” on the cucumber.

  4. Harvest regularly: Regular harvesting encourages continued fruit production. Check your cucumber plants every day or two, as cucumbers can grow quickly and become overripe if not harvested promptly.

Storing Cucumbers

Follow these steps to properly store your freshly harvested cucumbers:

  1. Wash and dry: Gently rinse the harvested cucumbers under cool running water to remove any dirt or debris. Pat them dry with a clean towel or paper towel to remove excess moisture.

  2. Wrap individually: Wrap each cucumber in a sheet of plastic wrap or a reusable beeswax wrap. This helps maintain moisture and prevents the cucumber from drying out.

  3. Place in a container: Put the wrapped cucumbers in an airtight container or a resealable plastic bag. Leave a small gap in the seal to allow for air circulation.

  4. Store in the refrigerator: The optimal storage temperature for cucumbers is around 50-55°F (10-13°C). Since most refrigerators are colder than this, store your cucumbers in the warmest part of the fridge, such as the crisper drawer or on a higher shelf. Keep them away from ethylene-producing fruits like tomatoes, bananas, and melons, as these can cause cucumbers to ripen and spoil more quickly.

When stored properly, cucumbers can last for up to 1-2 weeks in the refrigerator. However, it’s always best to not store cucumbers and use them as soon as possible to enjoy fresh cucumbers at their peak freshness and flavor.

stack of cucumbers on a counter

General Tips for Growing Cucumbers

  1. Maintain soil pH and nutrients by regularly testing the soil and amending it as needed.

  2. Use floating row covers to protect young plants from pests, removing them once flowering starts to allow pollination.

  3. Water consistently, providing 1-2 inches of water per week, and use mulch to retain moisture and suppress weeds.

  4. Prune cucumber plants to improve air circulation and prevent diseases.

  5. Practice crop rotation to reduce the risk of soil-borne diseases.

FAQ’s

5 growing and planting tips for cucumbers

When is the best time to plant cucumbers?

The best time to plant cucumbers is when the soil temperature is consistently warm, typically in late spring or early summer. Cucumbers are sensitive to cold and frost, so it’s essential to wait until the danger of frost has passed in your area.

A good rule of thumb is to plant cucumber seeds outdoors about two weeks before you plan and after your region’s average last frost date. You can also start seeds indoors 3-4 weeks before the last frost date and transplant them outdoors when the cucumber seedlings have at least two sets of true leaves and the soil has warmed up.

Ensure that the outdoor temperature is consistently above 60°F (15°C) during the day and doesn’t drop below 50°F (10°C) at night, as cucumbers grow and thrive in warm conditions.

How long does it take for a cucumber to grow?

Cucumbers typically take around 50 to 70 days to grow from planting to harvest, depending on the variety and growing conditions. Factors such as sunlight, temperature, and water availability can impact the growth rate. The process includes germination, vine growth, flowering, and fruit development.

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About the Author

Alicia has been teaching her whole life from elementary teacher to workshops for beginning gardeners.  Go HERE to read Alicia's story into gardening from plant killer to pro grower and garden coach.  If you want to send Alicia a quick message, then use her contact page HERE.

  • My cucumber has only female flowers, so the fruit is not developing. Is there a way to encourage male flowers?

    • This is so frustrating. Some cucumber plants are bred to have more female flowers. One way to encourage male flowers is to continue watering consistently and making sure that there is enough airflow for light to hit the plant. I’m hoping that the male flowers will come with more air, light, and consistent watering. You could also plant another variety of cucumbers now and they will come up in a few weeks and hopefully encourage the pollination process. Cucumber varieties that say they have a large yield may actually be harder to grow male flowers. Go with varieties that are monoecious. I hope this helps!

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