QA

Quick Answer: When To Feed Azaleas And Rhododendrons

We suggest using Fertilome Azalea, Rhododendron, Camellia Food which should to be applied every 4-6 weeks during the growing season between flowering in spring and bud set in early fall. Liquid fertilizers can be applied as a supplement, but we highly suggest a slow release granular-based fertilizer for outdoor shrubs.

When should you feed azaleas?

The best time to fertilize is right after spring bloom. This spring application may be all you need, but if you live in an area with a lot of rainfall and a long growing season, you may want to make a second application in mid to late summer, making sure not to fertilize after August 1st.

When should I feed rhododendrons?

Newly planted rhododendrons should receive a light fertilizer dressing in early March and again after flowering. Try Millais Ericaceous Slow Release Feed. They also require plenty of water from June to September, particularly for the first two seasons.

What is the best fertilizer for rhododendrons and azaleas?

At planting time, use 10-10-6 fertilizer before you water the plant in. In early spring, the rhododendron buds swell. At this time, apply a complete 10-8-6 fertilizer. Apply another light dose of this fertilizer when the leaves emerge.

When should you feed azaleas and camellias?

Yellow leaves are usually a sign that the plant is suffering from a nutrient deficiency so feed in spring after flowering with a specialised fertiliser for rhododendrons, azaleas and camellias. Mulch after feeding with ericaceous compost or composted pine bark to maintain the acidity.

Can I use Miracle Grow on azaleas?

Miracle-Gro Water Soluble Azalea, Camellia, Rhododendron Plant Food is a special plant food designed for acid-loving plants like azaleas, rhododendrons, camellias, dogwoods, magnolias, gardenias, orchids and all evergreens. Great for use with the Miracle-Gro Garden Feeder or your watering can.

Should I fertilize azaleas?

Established azaleas typically do well without any additional fertilizer if the azaleas are kept well mulched. If you do fertilize, it is best to apply it between late fall and early spring when the plants are dormant. Avoid fertilizing after June, to keep from pushing plants into active growth before the winter cold.

What month do you fertilize rhododendrons?

We suggest using Fertilome Azalea, Rhododendron, Camellia Food which should to be applied every 4-6 weeks during the growing season between flowering in spring and bud set in early fall. Liquid fertilizers can be applied as a supplement, but we highly suggest a slow release granular-based fertilizer for outdoor shrubs.

Do rhododendrons like bone meal?

Avoid feeding rhododendrons with bone meal as it contains too much calcium.

Why are the leaves turning yellow on my rhododendron?

If your soil is alkaline, you’ve found one reason for rhododendron leaves turning yellow: a mineral deficiency causing chlorosis. These shrubs take up too much calcium and not enough iron in alkaline soils. Chlorosis is very likely when the yellowing is mostly between the veins of new leaves.

How do you feed rhododendrons UK?

You can start fertilizing rhododendron bushes at planting time, and do it again in early spring as flower buds swell. Use a light hand, since applying too much rhododendron fertilizer can do more harm than good. Sprinkle on once again very lightly at leaf emergence if the new leaves look pale.

What should I feed my azaleas?

Fertilize azaleas lightly using a balanced fertilizer, such as a 10-10-10 ratio fertilizer, or an azalea-specific fertilizer with higher concentrations of nitrogen. It is better to fertilize very lightly two or three times during the spring and summer than to apply the entire year’s fertilizer at once.

Why are azalea leaves turning yellow?

For azaleas, a decidedly acid-loving plant, a serious iron deficiency caused by the pH of the soil being too alkaline can bring on chlorosis. When the soil’s pH is high, the plant can’t take up the iron and the formation of chlorophyll slows, and leaves turn yellow.

When should I feed my azaleas UK?

For pot-grown and indoor azaleas, replace the top layer of compost, or repot completely in early spring and feed weekly with an ericaceous fertiliser.

Do azaleas like bone meal?

Although azaleas often grow well without fertilizer, organic matter adds useful nutrients to poor soils. To add natural nitrogen to nitrogen-deficient soils, try alfalfa meal, cottonseed meal or fish meal. Bone meal is a good natural source of phosphorus, and wood ash adds potassium to the soil.

Which Miracle Gro is best for rhododendrons?

A month after planting, begin feeding rhododendrons with Miracle-Gro® Water Soluble Azalea, Camellia, Rhododendron Plant Food, which is specially formulated for acid-loving plants. For easy application, consider the Miracle-Gro® Garden Feeder, which lets you feed and water at the same time.

What’s the difference between azaleas and rhododendrons?

Azaleas are small to medium sized shrubs with many, smaller stems whilst rhododendrons tend to be larger plants with fewer stout stems. Everything about rhododendrons is on a more grand scale, with bigger flowers and foliage than azaleas.

Is growmore good for azaleas?

Growmore is OK but it it can burn so dont put on too much.

Can you fertilize azaleas in winter?

Only add fertilizer for azaleas during late winter or early spring. Else, aim for when they’re in or slightly after bloom. Fertilizing during the off-times is a no-no. You’ll have leafy growth if adding fertilizer too early into their growth cycle.

How do you apply azalea fertilizer?

Sketch out a circle on the soil with the trunk as its center and 9 feet (3 m.) as its radius. Sprinkle the grains of fertilizer in that entire area, then water in well. Be sure to wash off any grains of the fertilizer for azalea plants that fall on the foliage.