Underground irrigation isn’t what it sounds like: no hidden tunnels pouring streams of water beneath the garden; nor yet rebel factions irrigating their land in the teeth of the oppressor. No †underground irrigation is a simple, cost-effective and extremely unobtrusive method of ferrying water exactly where it is needed in any garden layout, without trailing hoses, dripping taps or wasteful use of cans. Underground irrigation (the best kit comes from Colibri, and is available through sites like Amazon Irrigation) doesn’t work for bedding plants, planters or hanging baskets †here, the water-conscious gardener is going to want to use drip irrigation †a form of watering that can run from the same system as underground irrigation, but is purposely designed to save water in sensitive areas of the garden. Underground irrigation, which uses thick plumbing-style pipes (effectively, underground irrigation is plumbing for the garden) to deliver water to centralised spray heads, is designed primarily for large-area watering: usually lawns or wide beds. An underground irrigation system runs water from any source (including the humble old garden tap) through a network of submerged pipes and gateways, to â€pop ups††heads built with hundreds of different purposes, that lie concealed beneath turf until called into action. Colibri supply pop ups and heads compatible with any brand underground irrigation system †rotating pop ups; directed pop ups; pop ups with different settings controlled from a central terminal. This means that gardeners running Colibri underground irrigation systems can manage a wide range of large-area watering needs from a single point, without having to worry about wastage or under-watering. Using solenoid valves, shut offs and compression connectors, the underground irrigation system carefully directs the amount and force of water channelled to any pop up: while its central control system is capable of starting and stopping multiple programmed routines targeted at different garden areas or built for different times of year. Water wastage is always a hot topic when garden irrigation is discussed †these days, we’re far more aware of the preciousness of our water reserves and the irresponsibility of spraying the stuff all over our gardens without thought for consequence. Though an underground irrigation system in full swing, with its fans of water flicking over lawns and large beds, may look profligate, it’s anything but †the water used is being controlled minutely. So much so, in fact, that particularly environmentally-friendly gardener can specify a maximum load for their underground irrigation before they turn it on. With piping safely buried underground, the underground irrigation system is the only way to offer control and beauty to those areas of a garden that requires spray watering. And with starter packs costing less than you’d think, they’re affordable into the bargain.
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