August 2015

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TIME TO PRUNE IS NOW

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Time to prune is now!

By: Lance Yuda, Owner/ Landscape Designer

 

TIME TO PRUNE

Mid simmer is the appropriate time to prune lots of landscape plants.
We never want to prune in the fall*, so if it needs pruning, now is the time.
Suggested plants to prune now;
• Boxwood
• Holly
• Cleyera
• Anise (Illicium)
• Loropetalum
• Oak leaf hydrangea
• Mop-head Hydrangea
• Viburnums
• Conifers like gold mops, junipers, topiaries
• Gardenia
• Fatsia
• Ligustrum
• Roses
• Runners off the tops of Abelia
• Hawthorns
*Fall pruning leads to frost burn of tender new growth in the winter.
Other summer tasks;
• Remove suckers from Crape Myrtles
• Dead head Butterfly bushes to encourage rebloom
• Spray Mancozeb for powdery mildew and black spot diseases (Crapes, roses, Hawthorns, Hydrangeas)
mancozeb
(Mancozeb with Zinc)
This fungicide also treats Downy Mildew on Inpatient’s…In stock

• Cut back spent perennials to encourage regrowth and possible rebloom…Daylily, Iris, Coneflower, etc…
• Prune and feed your container plants. I love Fish Emulsion fertilizer for my containers and window boxes. If you don’t love the smell of the fish, try ‘Nature’s Source’ plant food as another good micro nutrient laden plant food.
fish emulsionnature's source
Two excellent organic plant foods for container gardening…In stock
• Zero burn…apply in summer
• Loaded with micro-nutrients…more blooms and deep green foliage
• Concentrated formulas gone a long way.

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AZALEA MAINTENANCE TIPS

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AZALEA MAINTENANCE TIPS FROM THE ZONE 7 LANDSCAPE CENTER

By: Lance Yuda, Owner/ Landscape Designer

Azalea Information
Insects and Diseases
Pruning
Feeding

Azalea Leaf Gall

azalealeafgall1  azalealeafgall2

azalealeafgall3

Below is excerpted from the Clemson Extension Service website.
A link is also provided.
Leaf gall (Exobasidium vaccinii) is a very common fungal disease in the early spring on azaleas and occasionally on rhododendrons. Some of the native rhododendron species (azaleas) are more susceptible than hybrid rhododendrons. In April and May leaves and buds of infected plants develop distorted growth. Leaves and possibly stems become thickened, curled, fleshy and turn pale green to white. In the later stages of the disease, the galls become covered with a white powdery substance. As the galls age, they turn brown and hard.

Prevention & Treatment: This disease rarely does enough damage to require chemical control. If only a few plants are affected, pick and destroy galls. If chemical control is necessary on azaleas, mancozeb, or chlorothalonil fungicide sprays can be used according to label directions.
http://www.clemson.edu/extension/hgic/pests/plant_pests/shrubs/hgic2050.html
Zone 7 Has received many calls and seen many examples of this gall brought to the nursery this spring.
We stock both treatments.

Lace Bugs on Azaleas
http://www.clemson.edu/extension/hgic/pests/plant_pests/shrubs/hgic2051.html

This tiny insect can be found on the underside of azalea leafs.
They puncture holes in the leaf and suck out the chlorophyll.
The result is the silvery washed out color.

lacebug1  lacebug2

Apply Either of the Systemic pesticides to the soil
(One is a liquid drench, the other is granules)
Granules are effective for 4-6 weeks
Liquid Drench is Effective for 12 months!
The plant absorbs the pesticide and kills the lace bug from the inside out.
The Bugs hide under the leafs, so foliar sprays are not effective.

This product also kills White fly on gardenia, Adelgids on Hemlocks,
Aphids on roses and crape myrtles, and Japanese Beetles on roses, Japanese maples, hibiscus etc…
Granules are effective for 4-6 weeks
Liquid Drench is Effective for 12 months!
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Early summer is the best time to prune all azaleas
Encores
Natives
Gumpo’s / Satsuki (when done blooming)
Kurume
Girard
Now!

handpruneazala

Hand prune leggy runners
Shear if you like a dense shaped plant
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Feed and Mulch Azaleas

Azaleas are shallow rooted plants
3-4” Deep hardwood or pine Bark mulch keeps roots cool and moist in the heat
Deep pine straw is also effective
Apply Holly-Tone™ Fertilizer…zero burn & slow acting
Deep greening and more blooms!