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Rhododendrons and Relatives: Encore azaleas

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Forum: Rhododendrons and RelativesReplies: 11, Views: 232
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rylaff
Niceville, FL
(Zone 8b)

August 8, 2005
12:13 AM

Post #1677855

I am very pleased with these encore azaleas I planted. They have bloomed almost continuously since spring.

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jkom51
Oakland, CA
(Zone 9b)

August 9, 2005
3:40 AM

Post #1680629

That's encouraging news! They are just starting to be available in Northern CA and I am seriously thinking of redoing an entire shade bed to put in Endless Summer hydrangeas and Encore azaleas.
rylaff
Niceville, FL
(Zone 8b)

August 9, 2005
9:51 AM

Post #1680846

This is my first year with them. Although the busk is not covered in blooms as an axalea does in the spring, it has bloomed continously. Love it.
downscale_babe
surfside beach, SC
(Zone 8b)

August 10, 2005
5:43 PM

Post #1683333

I was going to start an encore azalea thread before I read this one.I have several encore plants and lots more regular azaleas.The encores are blooming now and while they don't bloom year round for me they do bloom at least twice a year.Although the blooms aren't as full as the regular azaleas it's nice to have the color now when there isn't that much in bloom here in August.
downscale_babe
surfside beach, SC
(Zone 8b)

October 25, 2005
10:41 AM

Post #1837215

The encores are still blooming and this year they are pretty spectacular.I guess it is just a matter of time as with most things.I will buy some more that's for sure.

Here is Coastal South Carolina Azaleas all bloom at the same time in the spring.You think to yourself that it is the most spectacular show that you have ever seen and you want more and more.The show is over pretty quickly and the bush is pretty plain after that.I have seen alot of gardens here that are mostly all Azaleas.People here drive around to see the Azaleas bloom just like people go to see the leaves turn in the fall.

With the Encores there is interest almost all year round.
rylaff
Niceville, FL
(Zone 8b)

October 25, 2005
12:51 PM

Post #1837328

My red one finally stopped blooming, but the pink one is still blooming.
apply
Dickinson, TX

September 20, 2007
11:41 PM

Post #3998989

my encore azaleas bloom wonderfully, but they have small leaves, and look quite sick or skimpy when they aren't blooming. Is that the same with all of them?
rylaff
Niceville, FL
(Zone 8b)

September 21, 2007
10:58 AM

Post #4000813

Mine do look a little skimpy this year. I thought it was because of our extreme drought.
luis_pr
Hurst, TX
(Zone 7b)

October 10, 2007
3:59 AM

Post #4067267

The size of the leaves is a genetic trait so leaf size should not "change". Problems with "the look" could be due to lack of moisture (you can check the soil with a finger... insert it to a depth of 3-4"), weather (this time of the year, there is an uptick in fungal infections that cause leaf spots), lack of sun. Make sure they are getting adequate moisture, water early in the morning and -if you can- do not water the leaves but rather water the soil.
collincountytx
Dallas, TX
(Zone 8a)

October 21, 2007
9:17 PM

Post #4107980

just planted five 'autumn twist' encores http://davesgarden.com/guides/pf/go/59858/
I was able to find some azalea/camellia planting mix (low pH) and used that with some compost to amend the planting hole. I have some 'fashion pink' azaleas http://davesgarden.com/guides/pf/go/83573/ that harbinger the beginning of spring with a flush of florid pink blooms.

I've found that adding iron and sulfur about three times a year helps to keep the leaves green and healthy looking. (We have alkaline clay soil here) The azaleas also love coffee grounds, compost/alfalfa tea, and epsom salts.
luis_pr
Hurst, TX
(Zone 7b)

October 22, 2007
7:22 AM

Post #4109540

Be careful with the amount of fertilizer on azaleas and rhodies guys! Here are some fertilizing suggestions specifically for azaleas and rhodies. By the way, my favorite Encores are two purple ones, Autumn Amethyst and Royalty.

* Rhododendrons and azaleas grow well at relatively low nutrient levels by establishing a symbiotic relationship between the roots and a type of fungus called myco; the plants basically feed off the decomposing mulch with help from the fungus. Mycorrhizae are fungi that live in symbiosis with plant roots to the mutual benefit of both. Once the plants are established, fertilizing should be minimized. Mycorrhizae fungi can be purchased at some organic minded stores as well as some local nurseries.

* To prevent tender fall growth, the Azalea Society of America recommends that there be no fertilizing after July 1.

* Newly planted azaleas and rhododendrons should not be fertilized at the time of planting if they have little BB-like balls in its container; the little balls are fertilizer. Just plant them as soon as possible and water them deeply. Plants that have been given a soil mixture rich in organic matter probably will not need feeding for several years.

* Do not stimulate fast growth with fertilizers because it produces long weak stems and few flowers. The National Arboretum also warns that: "Excess nutrients may promote larger than normal populations of azalea pests like lace bugs and azalea whiteflies." Of the chemical fertilizers available around here, I would recommend Fetilome's Azalea Evergreen Food because it is a systemic insect control for white flies and lacebugs. Lacebugs usually show up in May-June so apply some about a month before they show up or earlier.

* A fertilizer with a NPK Ratio similar to 6-10-4 (like Holly-tone or Cottonseed Meal) applied at 2 pounds per 100 square feet to the soil surface (about 1/4 cup of cottonseed meal for new small shrubs) is enough when fertilizers are actually needed. Apply a dusting on the top soil and then water deeply. Keep the plants well mulched at all times (3-4" of acidic mulch). The tiny fibrous roots of the plants are in the top 4" inches of the soil so not disturb the soil there or try to mix the fertilizer with the soil.

* If the soil pH is too high, the leaves will develop iron chlorosis, a condition in which the leaves turn light green or light yellow while the veins remain dark green. To address it, you can apply Espoma's Garden Sulphur, Soil Sulphur, Green Light Iron & Soil Acidifier or any other liquid acidifier product with chelated compounds. Encore Azaleas can be evergreen here in Texas most winters so choose a product that has little or no nitrogen in case you have to apply it during winter; I keep some of Green Light's product because it has a NPK Ratio of 0-0-0 and have had to use it during some winters on my acid-loving plants.

* Phosphorus and potassium may be applied any time. However, be aware that phosphorus takes a while to reach the roots and is best applied about six months before the plant develops flower buds. Magnesium enhances nitrogen uptake so some dusting with Epsom Salts is fine. After applying, water deeply. However, none of these is required if your soil is already has enough of these naturally occuring minerals. A soil test should be done every 3-5 years to see how the levels are.

* Resources (and some interesting reading too): go to http://www.azaleas.org/azaleas.html and scroll down to the section titled "Growing Azaleas"

Enjoy your new plants!
Luis

This message was edited Oct 22, 2007 6:02 PM

This message was edited Oct 22, 2007 6:03 PM
collincountytx
Dallas, TX
(Zone 8a)

October 22, 2007
12:22 PM

Post #4109865

Thanks for all the great info.

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