GARDEN IRRIGATION



The most efficient way to water your plants is with drip or low-flow irrigation. Compared to more conventional methods, drip or low-flow uses much less water because smaller amounts are lost to evaporation and wind drift. The water is also placed closer to your plants and not on weeds or walkways. In times of water restrictions it may be one of the few types of irrigation that can be used. You can mix and match components, picking emitters based on each type of plant and its need for water.



Planning Your System
Installing Your System
Irrigation Kits


Full Irrigation Design Guide available for download below.




PLANNING YOUR SYSTEM


Calculating the Water Flow Available

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Calculating the Water Flow Available


Start by calculating how much water flow you have available (and in turn how many drippers and sprayers you can operate at one time). To do this, simply run water from your faucet into a 5-gallon pail and time how long it takes to fill it. If it fills in one minute you know you have a flow of 5 gallons per minute (or 300 gallons per hour); if it takes 2 minutes, it’s 2 1/2 gallons per minute flow (150 gallons per hour), etc.

Remember that if water is being used elsewhere in the house (a shower or dishwasher, for example), it will significantly affect the flow to your irrigation lines.


Tip


If you can, it’s wise to leave a 25% buffer for other water demands.

All hose-end watering devices, such as sprinklers, soaker hoses, drippers, bubblers or misting jets, are called emitters.

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Planning Your Garden



Now that you know how much water flow is available, you can plan the number of emitters to run on each line. Ideally you will be able to water all your plants at once. However, that isn’t always the case. If your planned usage is greater than the available water flow, you will need to break your system into separate lines to run at different times.

Planning allows you to plan the installation before buying any parts. Measure and sketch out your gardens and determine which plants or which areas you want to water. Choose the emitters you would like to use to water these plants and mark them in position on your plan.

All hose-end watering devices, such as sprinklers, soaker hoses, drippers, bubblers or misting jets, are called emitters.


Emitters

XC412 - 2 gph Pressure-Compensating Drippers, pkg. of 5

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Pressure-Compensating Drippers for Dri...

(Pkg. of 5)

$2.90

XC101 - Deep Drip Watering Spike, each

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Deep Drip Watering Spike

$9.90

XC323 - 1/4" × 50' Soaker Hose

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1/4" Soaker Hose for Drip and Low-Flow...

From: $17.90

XC257 - 1/2" × 100' Drip Pipe

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Drip Pipe for Drip and Low-Flow Irriga...

$49.50

XC408 - 1 gph Drip Spikes, pkg. of 5

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Drip Spikes for Drip and Low-Flow Irri...

(Pkg. of 5)

From: $4.70

XC423 - Variable Flow Misters, pkg. of 5

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Variable-Flow Misters for Low-Flow Irr...

(Pkg. of 5)

$5.80

XC415 - Misting Jets, pkg. of 5

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Misting Jets for Low-Flow Irrigation S...

(Pkg. of 5)

$3.10

XC441 - 12" Support Stakes, pkg. of 5

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Support Stakes for Drip and Low-Flow I...

(Pkg. of 5)

From: $4.70

XC443 - 12" Rigid Risers, pkg. of 5

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Rigid Risers for Drip and Low-Flow Irr...

(Pkg. of 5)

$3.60

XC362 - In-Line Shrubbler Spikes, pkg. of 6

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In-Line Shrubbler Spikes for Low-Flow ...

(Pkg. of 6)

$5.20

Shrubbler Spikes for Low-Flow Irrigation Systems

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Shrubbler Spikes for Low-Flow Irrigati...

From: $4.70

XC360 - Pressure-Compensating Shrubbler Spikes, pkg. of 5

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Pressure-Compensating Shrubbler Spikes...

$6.30

XC417 - Mini-Bubblers, pkg. of 5

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Mini-Bubblers for Low-Flow Irrigation ...

(Pkg. of 5)

$4.70

XC421 - Spectrum Spikes, pkg. of 5

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Spectrum Spikes for Low-Flow Irrigatio...

(Pkg. of 5)

$5.80

XC254 - Pop-Up Sprinkler

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Pop-Up Sprinkler for Low-Flow Irrigati...

$9.50

XC344 - Shrubbler Barbs, pkg. of 5

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Shrubbler Barbs for Low-Flow Irrigatio...

$3.10

XC364 - Potstream Emitters,  pkg. of 5

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Potstream Emitters

(Pkg. of 5)

$6.00

XC429 - Quarter-Circle Jets, pkg. of 5

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Spray Jets for Low-Flow Irrigation Sys...

(Pkg. of 5)

$1.90

XB825 - 180° Sprayers, pkg. of 5

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Variable Sprayers for Low-Flow Irrigat...

From: $3.95

XC431 - Upside-Down Mini Sprinklers, pkg. of 5

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Upside-Down Mini Sprinkler for Low-Flo...

(Pkg. of 5)

$5.90

XC433 - Variable Mini Sprinklers, pkg. of 5

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Variable Mini Sprinkler for Low-Flow I...

(Pkg. of 5)

$6.90

XC441 - 12" Support Stakes, pkg. of 5

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Support Stakes for Drip and Low-Flow I...

(Pkg. of 5)

From: $4.70

XC443 - 12" Rigid Risers, pkg. of 5

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Rigid Risers for Drip and Low-Flow Irr...

(Pkg. of 5)

$3.60

A header hose delivers water from the source to the watering system.

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Header Hoses & Fittings


Add up the outputs of all the emitters on your plan. If they add up to more than the available water flow from your faucet, you will need to break the watering system into zones. Each zone is run at a different time so they don’t compete for the water flow. A common way to zone your watering system is to put your back yard on one line and front yard on another, and perhaps your vegetable garden on yet another.

Choose the header hose (main line) for each zone. If you need more than 100', use the 5/8” hose, which gives better flow over longer distances; otherwise, 1/2” hose is fine. Add the hose to your drawing, including any extra fittings you need, such as elbows or T-connectors, as well as a faucet attachment.

A header hose delivers water from the source to the watering system.


Tip


T-filters help prevent sprinklers or other watering devices from getting clogged by mineral build-up or debris. They are recommended for use with any hose attachments that have fine outlets, or with any devices supplied by well water or other water sources with high mineral content.

XC279 - 5/8" Hose/Faucet Connector, each

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Hose-Faucet Connector

From: $3.10

XB821 - 50' Hose with Connectors

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50' Hose with Connectors

$17.90

XC251 - 1/2" × 50' Poly Header Hose

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Poly Header Hose

From: $14.00

XC243 - 1/2" x 100' Extension Hose Set

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Low-Cost Extension Hose Set

From: $29.50

XC274 - 5/8" T-Connector, each

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T-Connector

From: $1.60

XC230 - 1/2" Straight Connectors, pkg. of 10

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Straight Connector

From: $1.20

XC276 - 5/8" Elbow Connector, each

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Elbow Connector

From: $1.20

XC231 - 1/2" Compression Ends, pkg. of 5

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Compression End for Hoses

From: $2.30

XC227 - 1/2" Elbow Connectors, pkg. of 5

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Compression Fittings for Drip Pipe

From: $6.00

XC293 - Poly Stake, each

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Poly Stake for Drip and Low-Flow Irrig...

$1.00

XC337 - 8" Galvanized Stakes, pkg. of 10

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Galvanized Stakes for Drip and Low-Flo...

(Pkg. of 10)

$5.00

XB829 - Mounting Clips, pkg. of 10

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Hose Mounting Clips for Drip and Low-F...

(Pkg. of 10)

$4.50

XC220 - 3/4" T-Filter, each

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3/4" T-Filter

$9.95

XC311 - Backflow Preventer, each

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Backflow Preventer

$4.50

XC312 - 25 psi Pressure Regulator

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25 psi Pressure Regulator

$10.90

XC407 - 5/8" In-Line Shut-Off Valve, each

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In-Line Shut-Off Valve

From: $3.10

Tip

If you need to make a 90° bend in a header hose, use an elbow connector. The hose has a relatively thin wall and will kink and severely reduce the water supply if you bend it too sharply.

Feeder lines connect the header hose to individual emitters when creating an irrigation system.

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Feeder Line & Fittings


Add any feeder lines to the drawing. These are 1/4” tubes that come off the header hose and are needed to run certain emitters. They are also used to run a line up to a hanging basket or rigid riser.

Feeder lines connect the header hose to individual emitters when creating an irrigation system.

XC245 - 1/4" Hose/Faucet Connector, each

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1/4" Hose-Faucet Connector

$2.80

XC307 - 1/4" × 50' Feeder Line

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1/4" × 50' Feeder Line for Irrigation ...

$8.20

XC233 - 1/4" T-Connectors, pkg. of 10

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1/4" T-Connectors & 1/4" Cross Connect...

(Pkg. of 10)

From: $2.30

XC235 - 1/4" Straight Connectors, pkg. of 10

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1/4" Straight Connectors for Irrigatio...

(Pkg. of 10)

$2.00

XC304 - 1/4" x 90° Clip-on Elbows, pkg. of 10

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Clip-On Elbows for Drip and Low-Flow I...

(Pkg. of 10)

$4.70

XC332 - 5" Feeder Line Stakes, pkg. of 10

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Feeder Line Stakes for Drip and Low-Fl...

(Pkg. of 10)

$3.10

If your water pressure is much over 30 psi (or if you don’t know what the pressure is) you should install a pressure regulator to keep the fittings from blowing off .

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Water Regulation


If your water pressure is much over 30 psi (or if you don’t know what the pressure is) you should install a pressure regulator to keep the fittings from blowing off .

XC312 - 25 psi Pressure Regulator

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25 psi Pressure Regulator

$10.90

XC130 - Water Pressure Gauge

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Water Pressure Gauge

$8.95

XC311 - Backflow Preventer, each

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Backflow Preventer

$4.50

XC220 - 3/4" T-Filter, each

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3/4" T-Filter

$9.95

XC407 - 5/8" In-Line Shut-Off Valve, each

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In-Line Shut-Off Valve

From: $3.10

XC403 - Manifold, each

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Manifold to Adapt Commercial Irrigatio...

$18.50

XC285 - Elbow Connector, each

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GripTight Adapters for High-Pressure I...

From: $5.10

XC343 - Filter Washers, pkg. of 3

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Filter Washers

(Pkg. of 3)

$3.20



INSTALLING YOUR SYSTEM


Laying out the main header line for each zone.

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Laying Out the Main Header Line for Each Zone


Once your planning is done and the pieces are purchased, lay out the header hose for each zone in your garden and add T-connectors or elbow connectors as needed to bring the water to your plants.


Tip


Laying your header hose in the hot sun for a while will make it easier to work with and less likely to act like a spring coil.

Attaching the emitters.

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Attaching the Emitters


When the main header hose is installed you are ready to attach the drippers, sprayers and sprinklers. Depending on the emitter you choose, you will either attach it directly to the header hose or to a 1/4” feeder line coming from the header hose. You will need to punch a small hole in the header hose to insert the emitter or a 1/4”connector. If you are punching a lot of holes it will be worth your while to get the professional hole punch, which makes a series of holes quickly and easily. If you make a mistake the holes can easily be filled with hole plugs. Once you have attached all emitters, add a compression end (also called an end connector) to seal the end of the header hose.

Tools & Accessories

XC231 - 1/2" Compression Ends, pkg. of 5

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Compression End for Hoses

From: $2.30

XC261 - Tubing Cutter, each

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Tubing Cutter for Drip and Low-Flow Ir...

$13.00

XC259 - Pro Hole Punch, each

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Pro Hole Punch for Drip and Low-Flow I...

$13.00

XC459 - Yellow Key Hole Punch, each

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Yellow Key Hole Punch for Drip and Low...

$1.40

XC339 - Manual Hole Punch, each

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Manual Hole Punch for Drip and Low-Flo...

$1.90

XC341 - Hole Plugs, pkg. of 20

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Hole Plugs for Drip and Low-Flow Irrig...

(Pkg. of 20)

$2.30

Testing the system and making adjustments.

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Testing the System and Making Adjustments


Finally, test your system to make sure everything is working as planned. Zone by zone, turn the water on and walk down the line, examining each emitter. Make sure each one is working and that the adjustable outputs are set to exactly the range and flow that you want. You may find that you will need to add more emitters here and there and adjust the flow on some emitters to greater or lesser flow.



IRRIGATION KITS


Irrigation Kits

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From our 100’ Soaker Kit, great for watering plants that do not like to get their leaves wet, to our Gravity Feed Watering Kit, when you want to use your rain barrel as your water source, we offer irrigation kits to suit a wide variety of gardens.

These kits include all the required components and let you get a quick start on your irrigation project. Since all of our irrigation parts are compatible with these kits, expanding your system is easy.

XC350 - Shrubbler Drip Kit

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Shrubbler Drip Kit

$56.50

XC355 - 100' Soaker Kit

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100' Soaker Kit

$56.50

XC603 - Raised Bed Watering Kit

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Raised-Bed Watering Kit

$31.50

XC601 - Row Garden Watering Kit

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Row Garden Watering Kit

$74.50

XC605 - Garden Border Watering Kit

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Garden Border Watering Kit

$45.00

XC607 - Deck Garden Watering Kit

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Deck Garden Watering Kit

$46.00

XC609 - Gravity Feed Watering Kit

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Gravity Feed Watering Kit

$43.50

XB820 - Fence-Mount Sprinkler Kit

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Fence-Mount Sprinkler Kit

$32.50

Irrigation Resources