How often a vegetable garden needs water depends on the weather, soil type, growth stage of the vegetables and other factors. Updated: May 1, 2020. If you don’t get water from rainfall, you have to supply it. Raised Beds are too wide. But nearly every summer brings a stretch of hot, dry days when garden irrigation is essential.How to water the vegetable garden. Plants in raised beds tend to grow more quickly and consume water and nutrients faster. Soil in raised beds tends to drain more quickly than in-ground soil, simply due to gravity (taller beds drain faster, too). From Gardener's Supply (www.gardeners.com) How to Water Raised Beds. 2. There is still some heat left in the late afternoon to dry the plant. Take the right approach to watering garden vegetables to maximize crop production. How often should I water my vegetable garden? Before we get into the questions, it’s important to note that the most common watering mistake made by backyard gardeners is to water too frequently and not long enough. Most vegetables are made up of 70-95% water! Water when soil is dry. water demand varies depending on season and the evapotranspiration (ET) rate. Check the soil often by sticking your finger in it; when the top inch is dry, it’s time to give the bed a thorough watering. Best Tips for Watering Your Vegetable Garden This Season. One of the biggest benefits of raised bed gardening is avoiding soil compaction. That simply doesn’t work in really hot weather for squash, eggplant, tomatoes, and other crops that need lots of water and have big leaves that wilt easily. When a fellow gardener approaches me looking for help with a gardening problem, the first questions I ask are “How often are you watering your vegetable garden?” and “How are you watering?”. I N a perfect world, Mother Nature would provide an inch of rain each week to keep our vegetables and flowers perfectly happy. Raised beds in particular may need more watering in dry weather. In general, most vegetable plants use about 1 inch of water per week (1 to 2 inches in hot, windy, dry climates). You want to be able to work in your garden beds without stepping on them. Getting smart with the way we water saves time and money while boosting plant health. This article answers the most common vegetable garden watering questions. Underwatering causes stringy, strongly flavored vegetables, but overwatering increases the risk of plant diseases and reduces vegetables' flavor. 1. Water is a truly precious resource. By Charlie Nardozzi, The Editors of the National Gardening Association . Crops tend to vary in frequency and amount of water needed to keep them alive. The right watering tools make watering chores easier. In this case, the garden needs at least another inch of water. 20 gallons per week is 2.9 gallons per day - (20 gallons/7 days per week = 2.9 gallons per day per 32 sq ft bed) When in very wet soil, plants' roots drown, causing the plants to die. Many plant types tend to absorb water at different … There may be weeks or even months when the perfect amount of rain falls. Watering the garden is a must It is nearly impossible to have a successful vegetable garden without watering. Vegetables are extremely variable on the amount of moisture necessary to stay alive. This rapid growth, combined with improved soil drainage and increased evaporation from the tops and sides of the bed, means is best to keep an eye on soil moisture levels. V egetable garden watering is probably the topic where Suburban Hobby Farmer gets the most questions. This explains why most vegetable gardeners in hot climates just laugh at the “1 inch of water per week” recommendation. 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