Water Your Planter Of Beautiful Flowers & Delicious Crops From The Top & You Can Leave The Self-watering Hydral Black Planter To Water Itself For Up To 2 Days If You Need To Be Away For Holidays Or Visits. The Clever Reservoir Design Allows Your Plants To Take Up The Water At A Rate To Suit Your Plants So No Danger Of Under- Or Overwatering.with A Generous 15in (38cm) Diameter Your Planter Takes Around 25 Litres Of Soil & Will Cater For Up To 12-15 Young Flower Plants Or Around 3-5 Bush Tomato Plants.easy To Water & Feed From The Top The Reservoir Section At The Base Has A Built-in Overflow Outlet To Prevent Over-watering. Useful For Planting Crops All Year Round It’s Uv-resistant & Hardy From Temperatures Ranging From -40°c To 50°c (-40°f To 122°f).your Self-watering Hydral Black Planter Would Look At Home In A Display Garden Of Any Of The Big Flower Shows, & Pays Dividends With Its Impressive Self-watering.