Hostas love high nitrogen-protein foods. Once you get the soil underneath rich with homemade compost, you need good high protein fertilzers like blood meal or fish products to keep them green and healthy. Normal compost tea recipes are great as an extra "vitamin food" liquid product and organic disease fighter for your plants, but hostas need more nitrogen than that.
Compost and compost teas are designed to really be soil foods for beneficial soil microbes and earthworms. These soil organisms need to be fed regularly good proteins, carbohydrates, etc., in order to metabolize these foods into water soluble available nutrients for your hostas. Also these soil organisms improve the soil's texture, color, and increase the soil's protection mechanisms from diseases.
_________________ The entire Kingdom of God can be totally explained as an Organic Garden (Mark 4:26)
William Cureton
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