Question 1

Why do I need to fertilize my Cherry plum?

Accepted Answer

The growth of plants continues to deplete the soil of nutrients, especially those of the fast growing types. So regular fertilization to give Cherry plum some extra supply of nutrients will not only help it stay healthy, but will also allow it to grow more and more delicious fruit. Plants may face many problems if they have not been fertilized for a long time. Nutrient deficiency can cause foliage issues, most commonly yellow leaves. Leaves may also develop a reddish color, shape deformities, withered tips, or dieback across large portions of the plant. Some types of nutrient deficiency can cause bark disorders, slow growth, poor shoot development, and a lack of fruit production.

Question 2

When is the best time to fertilize my Cherry plum?

Accepted Answer

The best time to fertilize is in the early spring, before the buds emerge. As Cherry plum energes from winter dormancy, it uses the reserves that were stored up over the winter to put out new growth. Lots of energy will be needed to support the development of blooms, so fertilizing about 2 to 4 weeks before you expect it to bloom provides enough time for the nutrients to soak into the soil and then be absorbed and dispersed throughout the plant.

You can continue to feed Cherry plum during the spring, but it is best not to fertilize in the autumn because this can cause too much foliage to develop late in the season. That makes the leaves susceptible to damage in winter.

Question 3

When should I avoid fertilizing my Cherry plum?

Accepted Answer

Avoid fertilizing Cherry plum at all in the first year of growth, and be cautious about providing fertilizer if it is not necessary. You also should not fertilize if you pruned 20% of the plant or more the previous year. Hold off on fertilizing plants that are diseased or damaged, as this can do more harm than good. Remember that fertilizer is not medicine, and instead get to the root cause of the issue before you think about feeding the plant again.

Do not fertilize after the peak of summer, which can cause too much growth just before winter. Also, Cherry plum should not be fertilized during hot and dry times of year, since dry soil does not deliver fertilizer as effectively as moist soil. Fertilizing at this time can also stimulate growth which in turn needs more water that may not be available. It is best to keep fertilizer for earlier in the season when temperatures are cooler.

Finally, remember that Cherry plum can absorb fertilizer that has been applied to nearby plants or lawns, so be cautious about inadvertently giving plants a double-dose of fertilizer.

Question 4

What type of fertilizer does my Cherry plum need?

Accepted Answer

Usually the use of some fertilizer with balanced nutrition (nitrogen, phosphorus and potassium) can bring many benefits. The main nutrients that plants need are nitrogen for leaf growth and chlorophyll. Phosphorus supports the root system as well as to produce blossoms, fruits, and seeds. Potassium develops the systems used for photosynthesis and transporting water and nutrients throughout the plant.You may choose to use a commercial fertilizer specialized for a certain type of tree, or you can use organic nitrogen sources such as manure, feather meal, or blood meal.

Conducting a soil test can help you get a good idea of the condition of your soil and apply fertilizer more precisely. For commercial fertilizers, you could use a balanced granular fertilizer with an NPK of 10-10-10 or similar if your soil does not have sufficient phosphorus and potassium according to your soil test. In most cases the nitrogen in the soil is continuously lost with rainfall. If your soil has sufficient levels of phosphorus and potassium, a high-nitrogen fertilizer with a ratio of 6-2-1 or 10-2-2 would be more suitable.

Question 5

What happens if I fertilize my Cherry plum too much?

Accepted Answer

It is far better to under-fertilize than over-fertilize, since you can always add more but you cannot easily take away excess fertilizer. Over-fertilizing your Cherry plum may cause brown leaf tips and edges, yellowing, wilting leaves, and possibly a visible crust of fertilizer salts on the surface of the soil around the plant. This condition is called fertilizer burn and results from too many accumulated salts in the plant’s cells. If excess nitrogen is the issue, the Cherry plum will produce a lot of leaves but won’t grow much fruit since nitrogen supports foliage growth.

If you have overfertilized, you could try removing the top layer of soil under the Cherry plum to remove the most concentrated area of fertilizer. Then flush the area by watering heavily to try to get rid of fertilizer around the roots.

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How do I fertilize my Cherry plum?

More Questions About Cherry plum

Why do I need to fertilize my Cherry plum?

When is the best time to fertilize my Cherry plum?

When should I avoid fertilizing my Cherry plum?

What type of fertilizer does my Cherry plum need?

What happens if I fertilize my Cherry plum too much?