Water your cucumber plants in the morning or evening to reduce evaporation. You do not want much direct sunlight on the leaves, so plant them to get shade during the hotter parts of the day. Give each one about 1 inch of water per week, which is about how much rain normally falls in an inch, so you can use that as a guide for how often to water them. They like moist, well-draining soil and will suffer if their roots sit in wet soil for too long. If it has been very dry, this should be increased slightly – just enough to ensure that the top 6-10 inches have good moisture content.

During the growing season (that’s summer for you folks in the states), cucumbers should be watered daily or every other day if it hasn’t been raining. If you’re using drip irrigation, only water the base of each plant; leaves that get wet can develop diseases such as powdery mildew.

Watering cucumber plants is important because they need a lot of moisture to grow properly. That doesn’t mean they should always sit in a puddle of water—in fact, cucumbers hate having their stems or leaves sitting in stagnant water. The best way to water cucumbers is to water from the bottom, not wet the leaves. This works well if you’re using a soaker hose or drip irrigation.

In many climates, watering cucumber plants two times per day is enough as long as it rains often. If you have hot, dry weather and need to conserve water, you can water cucumber plants once or every other day instead. Be sure to check soil moisture with a screwdriver before watering again—they don’t like “wet feet.” Soil should be moist down at about six inches deep; any more than that and roots could rot, which will cause problems for your plants. It’s important to let the top inch of soil dry out between watering.

Cucumbers are susceptible to several diseases, including powdery mildew. If your plants have powdery mildew on their leaves, you’ll need to wash them off with neem oil or another organic fungicide. Neem oil is non-toxic and safe for many types of animals, but it’s always a good idea to apply any kind of pesticide outdoors—never spray any chemicals directly onto your plants.

If they aren’t flowering very well, that may be due to a lack of nutrients, so give them some fertilizer – not too much as this will hurt the plants but just enough, so they grow better. If you do all these steps, you should have no problem growing cucumber plants successfully outside!