Whether sliced, smashed, pickled or pureed, cucumbers are the snazziest veg you can grow in your garden. Why not get started today?
Growing cucumbers is an easier task than you think and once you get started it’s likely you’ll never want to stop.
Here we explain the best way to grow cucumbers and care for them too.
Fast facts: How to grow cucumbers
- Name: Cucumis sativus
- Climate: Must be planted when soil temperature is around 21 degrees.
- Soil: Warm well-drained soil.
- Position: In moderate climates (like Melbourne) cucumbers thrive in a warm and sunny position. In other parts of the country where it is warmer year-round, cucumbers can tolerate 30 per cent shade.
- Feeding: Cucumbers are a hungry plant that will eat pretty much anything you feed it. They love a good dose of worm pee and compost every couple of weeks.
- Watering: Cucumber plants like to stay well-hydrated so make sure the soil is moist at all times. Especially when they start flowering and producing fruit.
- When to plant: Between September and January.
- Harvesting: 50 to 70 days from planting.
Pests
Cucumbers are a favourite among rabbits in particular so you might need to cover your seedlings with netting. All-day sun and good air circulation help prevent downy and powdery mildew.
Maintenance
Support your vines with a frame, either a trellis, wire fence or teepee. Fruit that lies on the ground can quickly rot.
Seedlings
It is really important to care for your seedlings, once they pop up place some mulch in the bed to prevent any weeds from shooting through.
Varieties of cucumber
If you think that the cucumbers that you buy in stores are a big, wait until you grow your own. Depending on the variety cucumbers can grow up to 40cm long.
- Lebanese – the most popular variety to grow in Australia. They grow to between 15-20cm in length.
- Continental – the longest of the cucumbers, continental cucumbers can grow up to 40cm long.
- Apple cucumbers – are relatively new on the scene but make a crunchy addition to fresh salads.
- Baby cucumbers – on the other end of the scale are these little guys which make the perfect snack.
- Gherkin – pickling cucumbers have small distinct nobs throughout their skin which gives them the perfect pickle texture.
- Parisian gherkins or cornichons – Sweet-flavoured, crunchy, textured fruit that is picked when still tiny for the perfect pickle.
- Kiwano – A jelly melon or African-horned cucumber is orange-coloured with a spiky skin. But inside, the flesh yields a subtle banana and passionfruit flavour. It can be eaten fresh, made into juice or tossed in a salad. Or take advantage of the sweet, gelatine-like substance that covers the seeds and turn it into a savoury jelly.
- Lemon cucumbers – grow to the size of a cricket ball. The fruit has a lovely yellow skin and the flesh tastes less bitter than normal cucumbers, but with a slight lemony touch. Fruits mature quickly and don’t need long, hot summers to thrive. Serve fresh in a salad.
- Boston pickling cucumbers – A scrumptious, crunchy texture and are a great pickler if picked when young. Mature Bostons are good for slicing in salads.
- Cucamelon, Mexican gherkin or mouse melon – The size of a grape and looks like a miniature watermelon. Very drought tolerant and easy to grow, it offers a slight citrus tang to freshen up a salad.
How to plant cucumbers
Ever wondered how cucumbers grow? Cucumbers grow on vines or in a bush depending on the variety you choose.
Here’s a step-by-step guide for growing cucumbers from seeds:
- Remove any weeds, rocks or obstructions from the garden bed or pot. Make sure the soil is moist, and if not give it good water.
- Sow 3-4 seeds at a time 2cm into the soil. This will allow you to select the strongest plant when they start growing.
- You can either let cucumbers crawl along the ground or using a trellis. Cucumber vines can grow up to 2.4m long so make sure you give them enough space to crawl, if cucumbers are too cramped they become stressed and will produce a smaller, more bitter yield.
Growing in pots
If you’re short on space you can also grow cucumbers in pots, just be sure not to overcrowd the pot so leave only 1-2 seedlings. As they grow to use a trellis to support the vines and pick fruit regularly for a healthy harvest.
How to harvest cucumbers
It takes cucumbers between 50 to 70 days to grow to full size.
When it comes to harvesting pick cucumbers when they reach your desired size. Using sharp shears cut the stem 0.5cm above the cucumber. Don’t be afraid or get too attached to a particular cucumber the more frequently you pick cucumbers the more often they’ll grow.
Pick fruit at least every second day and removing growing tips that have formed about 5-7 leaves, and side shoots that have 8-10 leaves to encourage more fruit.
Tips for growing cucumbers
- It is really important to keep your cucumbers happy because when they become stressed they can taste bitter and grow smaller in size.
- The best companion plants for cucumbers are basil, broccoli, dill and corn.
- Store cucumbers in the fridge to keep them nice and crunchy and if you’re worried you won’t get through them all make your own gherkins.
How long does it take cucumbers to grow?
It takes around 50 to 70 days for cucumbers to fully grow. Although it does depend on the variety, cucumbers are quite quick to flower and produce fruit.
How many cucumbers will one plant?
One plant usually produces around 20 cucumbers, depending on the variety of cucumber you choose to grow.
Do cucumbers need a trellis?
There are two types of cucumber plants, bush cucumbers and vining cucumbers. Neither types require a trellis or structure to support them, however it can make harvesting more manageable to complete. A trellis also gives the plant a specific direction to grow in, meaning it won’t overtake your whole garden.
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