Prune Azaleas in May-June. Fertilize Azaleas, Avoid and Kill Poison Ivy

There is a rather old planting of George Tabor azaleas on the side of our driveway and Sweetie has been reminding me relentlessly for months that they need to be pruned and shaped. The last week in May or the first week in June is just the right time for the job. Here’s the “before” picture:

Azaleas at driveway need  pruning

Azaleas at driveway need pruning

There’s a reason for pruning azaleas the first week of June, too. One of my fun mental exercises for years has been to listen to the old people’s comments on growing plants and then to figure out why their techniques work. Please note that Encore azaleas are treated differently.

As for the time to prune azaleas, it’s interesting. In June, the plants have finished blooming and are entering their peak growth stages. The azalea will set its bloom for the following spring in August. The blooms are commonly borne on the growth tips and pruning at the right time increases the number of tips so that you will end up with a more compact plant and many more blooms. You may wish to read my article on Pruning as an Art Form for a concise description of what happens when you prune a plant.

I select a place to cut that is right above shorter new growth

Cut the stem right above smaller new growth buds

Cut the stem right above smaller new growth buds

One of my goals is to open up the plant canopy to allow more light to reach the inside. This will promote lower growth which will strengthen the plant. I try to keep the sides of the plant neat and pretty but I never hesitate to open up a “hole” in the top. New growth will fill this in rather quickly.

prune so that sunlight can reach the inside of the shrub

prune so that sunlight can reach the inside of the shrub

I’m a little over six feet tall and this plant was a bit taller than that. I try to watch for danger when I’m working in overgrown shrubbery and my diligence paid off this time. As I worked, a giant poison ivy vine was sneaking up on me. I saw it just in time and backed up. I planned to approach it slowly and carefully.

poison ivy snuck up on me like a snake but I avoided it

poison ivy snuck up on me like a snake but I avoided it

The only really good way to get rid of poison ivy is to spray it but I don’t want to get any spray on the azalea so I placed a garbage bag over the azalea and carefully moved the poison ivy stem on top of it.

carefully place plastic between the poison ivy and the azalea

carefully place plastic between the poison ivy and the azalea

Using a generic form of Roundup with glyphosphate as the active ingredient, I sprayed the tip of the plant. The chemical will enter the system of the plant and should move on down the stem and kill the roots.

Spray with very low pressure to cover weed but to not get it on the good plant.

Spray with very low pressure to cover weed but to not get it on the good plant.

This is a good time to fertilize the azaleas, also. I grabbed a bag of azalea fertilizer at my local nursery. The analysis is 9-15-13 with the addition of iron, copper, manganese, and zinc. If you don’t know about fertilizer labels, they are explained in my article “Choosing the Right Fertilizer”

azalea fertilizer

azalea fertilizer

And here’s the “after” picture. Remember what I always say—“Happy Wife, Happy Life.” Now she will be free to find something else to remind me to do.

Azaleas pruned "just right"--Happy Wife, Happy Life"

Azaleas pruned “just right”–Happy Wife, Happy Life”

Thanks for visiting Johntheplantman. Tell your friends about it. One other good thing to do in June is to build a really neat sprinkler. Click Here for Directions

As usual, I would just love for you click here to go to Amazon and purchase the ebook edition of my wonderful book, Requiem for a Redneck to go on your Kindle. I have also noticed that Amazon now has a free Kindle app for iphones and tablets. Is that cool or what?

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4 Comments (+add yours?)

  1. pbmgarden
    May 25, 2014 @ 10:16:17

    Great tip for avoiding the spray on the good plant while treating the poison ivy.

    Reply

  2. Margaret
    May 25, 2014 @ 13:21:13

    John,
    Maybe one of your future posts could tell how to get rid of briars growing up inside azalea bushes. I’m afraid to poison for fear of killing my azaleas.

    Reply

  3. Trackback: Pruning Azaleas in May-June. Follow These Instructions For Better Shape and Many More Flowers. | Johntheplantman's stories, musings, and gardening.

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