A water butt can be attached to your drainpipe to collect rainwater -and a tap allows you to fill watering cans and buckets easily. Keep beds and borders well-weeded as weeds compete for moisture. Water-retaining gel is ideal for use in containers and hanging baskets. Special stay-wet granules hold moisture like a sponge. Phosphates help root development.
Potash helps produce flowers and fruit, and makes fruit taste better.
It also increases winter hardiness. A good source of nitrogen, as is well-rotted manure. Mushroom compost -contains a range of nutrients. Liquid Seaweed Extract -contains nitrogen, potash and phosphate. Bonemeal -a good source of phosphate.