Plants & Trees

Boston Seeds Slow Release Lawn Fertiliser (1 x 20kg) - Phased 6 Month Release 20.6.8. Lawn & Garden Fertiliser Granules for March - September Application. APPLICATION SEASON: The slow release fertiliser granules are ideal for use from March to September, as this period offers optimal growing conditions. Avoid applying the pellets during hot weather or dry spells. For best results, apply when rain is... Boston Seeds Slow Release Lawn Fertiliser (1 x 20kg) - Phased 6 Month Release 20.6.8. Lawn & Garden Fertiliser Granules for March - September Application.