Jobe's / Jobes Fertilizer Spikes Fertilizer Spikes for Fern / Palm Plant 30 - Pack

Are these suitable for a blue spruce? Thanks

would these products be suitable for grasses too? i have a living wall of grasses and ferns i need to fertilise. Thanks

can anyone tell me what the ingredients are? just looked up the data sheet on this and there are barely ant details

Hi, would these work well for bamboo in pots? Thank you