(Liste) Fertilizer For Azaleas And Rhododendrons

Fertilizer is optional to tell you the truth i don t fertilize my rhododendrons at all.

Fertilizer for azaleas and rhododendrons. Instead of commercial fertilizers the azalea society of america suggests humus or other organic matter in the soil and organic mulch to provide slow release nitrogen. Heavy applications of fertilizer will burn the plants. Choose fertilizer based on high nitrogen or acid forming compounds if you re buying retail. With well amended and mulched soil i don t think they really need fertilizer. Liquid or water soluble fertilizer is mixed with water and then poured into the soil. The best fertilizer for azaleas include. But if you do want to fertilize according to the kenneth cox book on rhododendrons and azaleas you should do it early in the spring before the plant has started blooming.

You may notice some fertilizers in the garden store specifically for azaleas and rhododendrons. Fertilize azaleas and rhododendrons sparingly and only when flower buds swell in the early spring even if they are fall bloomers. Avoid using fertilizers that contain too much more than 10 to 12 nitrogen the first number in fertilizer and more than 20 phosphorous the middle number. Water plants during the summer if rainfall is less than 1 inch per week. Espoma ul30 organic soil. Often basic mulching with organic compost or materials will do a good job. These specialty fertilizers are formulated with ammonium sulfate to acidify the soil at the same time as providing nitrogen.

Best hydrangea fertilizer reviews 1. In fertile soils rhododendrons and azaleas can be grown without receiving further fertilization. If your soil is naturally acid no need to buy these expensive specialty products for feeding your rhodies. In less fertile soils a complete fertilizer designed for acid loving plants may be applied in late winter or early spring. Granular fertilizer comes in grains that are sprinkled on the soil and watered in. It is one of the organic. The miracid acid loving plant food.

The espoma holy tone fertilizer comes in an 18 pound bag. If you are concerned about cost granular fertilizer is the best fertilizer for rhododendrons since it is the cheapest. Scotts company 185001 garden pro water soluble miracid acid loving plant food.