With both new and established plants, it is most important that ground preparation and aftercare are carried out and for centuries civilisations such as the Greeks, Romans and Babylonians realised the necessity for this to increase the productivity of their crops.
In modern times with experimentation we have developed fertilisers to suit specific types of plants for both new planting and subsequent feeding. For example, a liquid seaweed fertiliser usually made from sustainably harvested kelp is especially good for Box hedging and topiary as it is rich in magnesium, promoting healthy deep green foliage and may be added to the soil or used as a foliar spray.
Other fertilisers such as After Plant Evergreen also incorporate the mycorrhizal fungi product Rootgrow so not only does it feed the whole plant, but root growth is enhanced and so the plant establishes more quickly. Bonemeal, a fertiliser rich in calcium is a slow release product encouraging plant growth gently through the season.
When planting through the winter months which could encapsulate pot grown, bare root and root ball plants whilst they are dormant, a little fertiliser may be added and mixed in with the backfill to enrich the soil and promote good healthy new growth, however care needs to be taken that not too much is added encouraging plants to grow in the season when they should be ‘resting’. Fertiliser may be mixed into the soil or for established plants may be added as a top dressing, incorporating it into the top few centimetres and then watering in well if the weather is dry.