Gro4 Premium Earthworm Castings are all natural, odorless, and non-toxic and can be used indoor or outdoor for seed germination, seedling propagation or on existing plants, safe for kids and pets. It's an excellent humus-rich soil amendment with the right mix of quality nutrients for much faster plant growth rates.
Our castings will significantly improve soil structure and aeration and provide excellent water retention which substantially reduces demand for irrigation.
As it contains essential plant nutrients, vitamins, enzymes and plant growth promoters such as auxins and Gibberellins, it will significantly cut your fertilizer inputs. pH neutral
Gro4 Premium Earthworm Castings are free from harmful pathogens and add beneficial micro organisms for pathogen control.
It's safe to use on annuals, perennials, seedlings, cacti and succulents and will not wash out with watering.