Not only do you not want your harvested water to be full of debris dirt and pests but without filtering the water before it enters the harvesting system your barrel can become clogged.
Rain collection without gutters.
How to collect rainwater without gutters roof.
It is easiest with gutters around your roof but there are methods of rainwater collection even without gutters.
If you want to collect rainwater without a roof or downspout you can use a tarp instead.
I have a big garden set back from the house that is hard to get a hose to.
Today houses are built with roof gardens that naturally absorb the rain and grow an insulating layer of grass.
Additionally the water will not flow to your rain collection system if there is a clog.
Just lay the tarp out on an elevated area and run a drainpipe from the lowest corner to a collection tank.
This is the most common type for homes built within the past 50 years though many owners of older homes still.
To collect rainwater you can attach a rain barrel to your home s downspout so when it rains the water flows directly into the barrel.
It has been used as an environmentally friendly way of rainwater catchment for use in gardening as well as across landscaping.
But if you do not have a roof garden you can still collect and use rainwater.
Most homes direct water into the barrel with gutters and downspouts but even homes without gutters can use a rain barrel.
Because it is mulched with woodchips it retains moisture after rains pretty well but i can still use some supplemental water during the dry periods of summer.
20 rainwater catchment system no gutters required.
Rainwater for gardening collection is a technique that has been widely practiced over the centuries.
Caution rainwater collection system.