Greenhouse watering systems simplify plant care by distributing moisture where it’s needed. Designing the setup around the greenhouse layout and crop selection helps conserve water and saves time spent carrying watering cans or filling buckets. This guide discusses the steps to take when setting up watering equipment for a 30 Foot Dome or other large growing space.
Plan Your Watering Zones
Vegetables, herbs, and other crops often require different watering schedules. While it’s possible to hand water every plant in a large greenhouse, spreading enough water to cover the entire space can be tedious and inefficient. A 30 Foot Greenhouse offers space for several garden beds or growing configurations, so determine how water will get to each area before starting other setup tasks.
The size and type of watering equipment you use will depend on variables such as crops, garden bed arrangement, water source, and personal preferences for maintenance. Implementing a sensible design lets you deliver water more uniformly and avoid daily watering chores.
Layout Your Greenhouse
Plan your greenhouse by sketching where beds, pots, seedling trays, large plants, and other features will go. Consider how much space you need for comfortable movement, and where equipment such as benches and misters should be placed.
Measure the distance between major growing areas and mark placement for watering hoses or irrigation lines. Allow space to walk between beds, pots, and equipment so watering tools don’t interfere.
Plants with similar watering needs may be placed near each other. Leafy greens, for example, may require lighter watering than established herbs. Grouping plants with common watering needs can make it easier to zone your irrigation system and control water delivery for each section.
Plan does not need extensive detail. Having a visual representation of plant locations, water source, and main paths through the greenhouse can help you determine how much equipment and tubing you’ll need.
Select Your Watering Method
Several options for watering a greenhouse will suit various configurations. Consider each method and determine what will work best for your setup.
Popular options include:
- Hand watering: Using a watering can or hose allows you to control water delivery directly. This option works well for smaller groups of plants.
- Drip irrigation: Using hoses and emitters distributes water near plants’ roots and helps minimize water loss from contacting other materials.
- Soaker hoses: Hose variants that release water along their length may also be useful for compatible garden beds.
- Sprinklers: Sprinklers spread water over a large area, but consider issues like wet foliage and variable distribution.
Systems like drip irrigation provide convenient ways to supply water in greenhouses with beds or rows of plants. However, no single solution will suit every setup, so review your crops’ watering needs before investing in equipment.
Plan Your Main Water Supply
After settling on a watering method, identify your main water source and decide how to connect it to the irrigation system. Is there an outdoor faucet you can use? Can a storage tank work in your situation?
Verify that your water source can produce enough pressure and flow to run the equipment you intend to use. Some systems, like drip irrigation kits, may require a pressure regulator while others need additional filtering to prevent emitters from becoming clogged.
Place hoses and water supply lines where they won’t be damaged or pose a trip hazard. If you plan on using the greenhouse year-round, also consider how water lines may be affected by seasonal temperature fluctuations.
Follow the manufacturer’s installation instructions when putting everything together, especially when connecting multiple components. Planning the water supply correctly can help your system run smoothly once installed.
Create Zones if Applicable
A watering zone refers to an area that you can independently water without activating the system for the rest of your greenhouse. Dividing your growing space into zones allows you to manage plants with varying moisture needs.
Leafy greens may constitute one zone, fruit-bearing vegetables another, and containers a third. Dividing your plants into groups allows you to water each section as needed rather than watering your entire greenhouse the same way.
Use separate valves or controls to regulate zones individually, if needed. Labeling each line also makes maintaining your watering system easier down the road.
Try not to overdo this step. Creating too many zones complicates what should be an effort to make watering precise and straightforward. Start with major differences between your plants and make adjustments as your garden grows.
Install Drip Lines or Hoses
Set drip lines or hoses near plants’ root areas when installing them. Drip irrigation lines typically have emitters that get placed between plants according to spacing instructions.
When watering rows of vegetables, you can run your tubing next to plants so water is delivered directly to your growing medium. Container gardens may require emitters for each pot or a custom configuration.
With soaker hoses, placement will vary by manufacturer. Like drip irrigation kits, check recommendations for operating pressure to ensure water distributes correctly.
Lines should be secured to avoid moving during watering and other greenhouse activities. Ensure all connections are secure and that water flows to the correct areas without significant leaks.
Test your system once installed. Walk through each zone and ensure everything works before using it to water plants on a daily basis. Look for leaks, clogged emitters, loose connections, and areas that may be over or under-watered.
Check soil moisture levels in several different areas rather than assuming each bed or row gets the same amount of water. Line length, pressure, growing media, and plant spacing can influence distribution.
Adjust line placement if needed. Replace or clean any clogged emitters or equipment according to the manufacturer’s directions. Perform this check periodically, such as whenever you change your garden layout or planting arrangement. Taking the time to catch watering problems early can limit their impact.
Adjust Your Watering Schedule
Having a watering system ensures water makes it to your plants, but it doesn’t automate scheduling. Greenhouse conditions like temperature, humidity, and sunlight impact how quickly plants use water.
Test the soil or growing medium before watering. Container gardens tend to dry out faster than medium in raised beds or rows. Conversely, if conditions are cool and inactive, your garden may not need as much water.
Supply enough water to reach the root zone without leaving growing medium soggy. Too much water forces plant roots to reside in areas with little oxygen, which can promote root diseases.
Adjust watering as seasons change. Watering frequency may need to increase when temperatures rise. You may water less during cool or humid periods.
Add a Timer? Consider Your Maintenance Schedule
Installing a compatible irrigation timer allows you to schedule watering at times that better suit your needs. Greenhouses with multiple zones or gardeners who struggle to fit daily watering into their routine will likely benefit from automation.
Like any system, check timers and watering schedules regularly to ensure they still meet your garden’s needs. Automating the process doesn’t mean you can ignore changing conditions. Plants can use more or less water based on recent weather, growth, and moisture levels in the growing medium.
Maintaining your irrigation system is also important. Clean or replace filters as recommended by the manufacturer. Check the system for leaks, and clean parts using instructions provided by each component’s manufacturer.
Keeping records can also make future maintenance easier. Note when you cleaned or replaced filters and other components. Record which watering schedules worked well and make a note when issues arise. This can help you identify patterns and plan improvements in the future.
Watering Systems for Greenhouses
At Dome Greenhouses we offer several greenhouse options for growers to pick from. The best greenhouse setup depends on your space, climate, crops, and watering preferences.
Conclusions
Installing a watering system in a large greenhouse should begin with a thorough plan and knowledge of your plants’ water requirements. Select an appropriate watering technique, section your growing area into manageable zones, and perform coverage tests to help make watering those daily plantings easier.
Different crops and planting configurations can be used in a 30 Foot Dome when the watering system is designed to fit the plans. Check your equipment, observe soil moisture, and modify your watering regimen as your plants grow and the seasons shift.
FAQs
Which watering system is best for a large greenhouse?
Drip irrigation systems are popular for greenhouse beds and rows because water is delivered near plants’ roots. Hand watering, soaker hoses, and sprinklers can also work for many greenhouse gardens.
Should I water my whole greenhouse the same amount?
Each plant has different watering needs based on type, growth stage, container size, growing medium, and environmental conditions. Water amounts will vary throughout your greenhouse.
Do greenhouse plants need a watering timer?
Greenhouse timers automate watering and can help streamline the process. However, timers are not a mandatory addition to your greenhouse. Checking your garden’s soil moisture levels regularly is still recommended.
How do I stop my irrigation lines from clogging?
Install any recommended filters and clean your irrigation system regularly. Check emitter lines for blockages and follow each manufacturer’s instructions for care and maintenance.
How often should I inspect my watering system?
Inspect your watering system when you water and perform a thorough inspection if you notice: leaks, inadequate/most areas, or recently changed plant health. Frequent checks can prevent larger issues from developing.
