In order to produce their full blooms, roses need sufficient nutrients. That's why it's important to fertilize them regularly. It is usually advised to use organic fertilizer. But is mineral blue grain fertilizer also an option? That's what we're dealing with in this post.
How do I fertilize roses with blue corn?
If you want to fertilize roses with blue corn, it is best to stick tothree fertilization dates: Apply the mineral fertilizer first in spring, then after the first flowering and with a little smaller quantity finally again at the end of July.
How do I properly apply blue grain fertilizer to roses?
SprinkleCarefully spread the blue grain over the substrate of your roses and then pour water onto the granules. Make sure that the grains do not remain on the leaves or other above-ground parts. Alternatively, you can dissolve solid blue grain fertilizer in advancein the irrigation water
It is best to apply blue grain fertilizer to roses on a cloudy, rainy day. Otherwise the plants could suffer burns. Moisture is fundamentally necessary so that the mineral fertilizer actually dissolves and develops its effect.
Does it make sense to fertilize roses with blue corn?
It only makes limited sense to fertilize roses with blue seed. Due to the high concentration of nitrogen, rose plants tend to develop numerous new shoots and leaves. Although this looks beautiful, there are dangers: If roses grow too bushy, they dry poorly in damp weather, which makes them more susceptible to pests and various rose diseases.
But: Since most rose plants are remontant plants, i.e. they bloom several times a year, fertilizing with nutrient-rich blue grain can also be beneficial. The key is the right dose.
When is it recommended to fertilize roses with blue corn?
If your roses have asevere nutrient deficiency and are about to die, fertilizing them with blue grain can work wonders. The complete mineral fertilizer quickly supplies the plants with the nutrients they need and often saves them.
Without such an acute emergency, however, it is recommended to give roses preferential treatment with an organic long-term fertilizer or a special rose fertilizer.
Tip
Blue grain fertilizer: a controversial NPK power fertilizer
Blue grain is a chemically produced fertilizer. The complete mineral fertilizer has a high content of nitrogen, phosphorus and potassium, supplemented by other important nutrients. Since blue grain is a synthetic fertilizer, the product has a rather bad reputation. It is important to exercise caution when applying fertilizer to avoid over-fertilization - for roses and other plants.
