FERTILIZATION & IRRIGATION GUIDELINES
• Delgenius are strong and fast-growing plants, therefore they require quite a lot of fertilizer.A base start of slow- release fertilizer is recommended as well as a continuous liquid feed.The recommended EC level in the soil is around 1.5 EC, measured with a 1.5-1 method. For those using the AM measuring method, we advise an AM between 0.35 and 0.45 in the soil. • The best ratio between P and K is between 1:2-1:2.5.This requires a liquid feeding on top of the base slow-release fertilizer (which is mostly P:K 1:3 or 1:4) of 20-20-20 or 27-15-12 with microelements. • Like most plants, it is best to water early in the day so the foliage has time to dry before going into the night.This will help to prevent diseases. Delgenius should have deep green foliage.A lighter color means there is an incorrect balance in fertilizer or that it is too low in fertilizer.When the plants are low in fertilizer for a long period of time, they will lose their lower leaves. If fertilizer levels are too high, the edges of the leaves will scorch. • Even when Delgenius flower, the leaves do not disappear or drop off like many other Delphinium on the market, but stay on the plant, making the display extra attractive.
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