What Type Of Fertilizer And Nutrients Does A Jane Magnolia Need?

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Are there any special nutrients or fertilizers that a Jane Magnolia needs?

I bought mine last year, and it has leafed out but no flowers, and the leaves don't look especially healthy>

Thanks for your help.

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Answer #1 · Maple Tree's Answer · Hi Sharon-There are several reasons your Jane Magnolia may not be blooming. Some varieties of magnolia may take years to develop before blooming but the Jane Magnolia normally blooms at a very young age. If the tree is quite young it may still need some time before blooming. What size tree was this when purchased?

Too much or too little water can also effect its blooming. This tree should be kept moist but never to wet or dry. You mentioned the foliage on your tree does not look healthy. Though magnolias prefer a moist well draining soil, if soil stays too consistently wet this could cause problems with the roots that would in turn effect blooming.
Too much water will not only hurt developing flower buds but turn leaves a more yellow color then possible browning. Many locations this year have had a lot of rain which could have saturated the soil for a period of time.

Weather this year has been unusually cold in many locations this year. Any late frost could have easily damaged developing flower buds.

Like other acid-loving plants, Jane Magnolias prefer an acid soil (5.0 to 6.5 pH) and sometimes won't bloom as well, or not at all, if the soil is too alkaline. You could test or have your soil tested for pH to see if this might be the problem. Absent of a soil test, and if the foliage is light green instead of dark green you could add soil sulfur, aluminum sulfate, or chelated iron under the canopy and around the perimeter of the branch system to increase the acidity of the soil.

Have you fertilized your magnolia at all? If so what fertilizer did you use? Fertilizers with too high a nitrogen content can force the plant to put on new growth at the expense of flowers. Is the magnolia planted in or near a lawn area that may have been fertilized. Lawn fertilizers are normally high in nitrogen. Lawn fertilizers spread to near or leaching from watering into the area can not only force new growth but possibly burn new plants when young.

Location is also important for your Jane Magnolia to bloom well. This magnolia needs at least 6 hours of direct sunlight to bloom well. A magnolia placed in excessive shade will see few flowers, poor growth and overall poor health. The foliage may appear droopy, and new shoots will appear stunted. In areas with hot, dry summers, magnolias enjoy some shade, with typically four to six hours of sun per day. The plants thrive in more than six hours of sun per day in climates with more forgiving summers.

As far as fertilizing, it is best to use a fertilizer formulated for acid loving plants such as Rhododendrons, Azaleas, Hydrangeas, and hollies. One all natural product many use is Holly Tone but there are several others available at your quality local nurseries or garden centers. Another good fertilizer you can use on your tree in spring and again in late summer is Milorganite. Milorganite is a mild natural fertilizer packed with nutrients and 4% naturally occurring iron.

If you could upload a picture of your magnolia and an upclose picture of its leaves it may help in identifying the problem of it not looking healthy. Above this and to the right of your name below your question you will see where you can upload your pictures.

Let me know if you think any of these reasons for not blooming may be your plants problem.


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