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Quercus variabilis
( Oriental Oak )

Grows from 60 to 70 feet in height with a broad rounded form, wide spreading branches. Similar to Q. acutissima except the upper surface is a dull dark green and the underside of the leaf has a distinct whitish tomentum. The bark is deeply furrowed, gaining a corky appearance. Spring flowers are golden catkins, males 4 inches long. The fruit is an acorn, fall ripening. No serious diseases, fine ornamental tree. Native to Japan, Korea and China.


How to Grow this Plant:


Where can you buy this plant: click here!

Characteristics
Cultivar:n/a  
Family:Fagaceae  
Size:Height: 50 ft. to 70 ft.
Width: 40 ft. to 60 ft.  
Plant Category:trees,  
Plant Characteristics:low maintenance, spreading,  
Foliage Characteristics:deciduous,  
Foliage Color:dark green,  
Flower Characteristics:pendent, unusual,  
Flower Color:yellows,  
Tolerances:deer, heat & humidity, rabbits,  
Requirements
Bloomtime Range:Mid Spring to Mid Spring  
USDA Hardiness Zone:5 to 9  
AHS Heat Zone:Not defined for this plant  
Light Range:Part Sun to Full Sun  
pH Range:4.5 to 7.5  
Soil Range:Some Sand to Some Clay  
Water Range:Normal to Moist  

Plant Care



Fertilizing
Light
Conditions : Full to Partial Sun

Full sunlight is needed for many plants to assume their full potential. Many of these plants will do fine with a little less sunlight, although they may not flower as heavily or their foliage as vibrant. Areas on the southern and western sides of buildings usually are the sunniest. The only exception is when houses or buildings are so close together, shadows are cast from neighboring properties. Full sun usually means 6 or more hours of direct unobstructed sunlight on a sunny day. Partial sun receives less than 6 hours of sun, but more than 3 hours. Plants able to take full sun in some climates may only be able to tolerate part sun in other climates. Know the culture of the plant before you buy and plant it!

Watering
Conditions : Regular Moisture for Outdoor Plants

Water when normal rainfall does not provide the preferred 1 inch of moisture most plants prefer. Average water is needed during the growing season, but take care not to overwater. The first two years after a plant is installed, regular watering is important. The first year is critical. It is better to water once a week and water deeply, than to water frequently for a few minutes.

Planting
How-to : Planting a Tree

Dig out an area for the tree that is about 3 or 4 times the diameter of the container or rootball and the same depth as the container or rootball. Use a pitchfork or shovel to scarify the sides of the hole.

If container-grown, lay the tree on its side and remove the container. Loosen the roots around the edges without breaking up the root ball too much. Position tree in center of hole so that the best side faces forward. You are ready to begin filling in with soil.

If planting a balled and burlaped tree, position it in hole so that the best side faces forward. Untie or remove nails from burlap at top of ball and pull burlap back, so it does not stick out of hole when soil is replaced. Synthetic burlap should be removed as it will not decompose like natural burlap. Larger trees often come in wire baskets. Plant as you would a b&b plant, but cut as much of the wire away as possible without actually removing the basket. Chances are, you would do more damage to the rootball by removing the basket. Simply cut away wires to leave several large openings for roots.

Fill both holes with soil the same way. Never amend with less than half original soil. Recent studies show that if your soil is loose enough, you are better off adding little or no soil amendments.

Create a water ring around the outer edge of the hole. Not only will this conseve water, but will direct moisture to perimeter roots, encouraging outer growth. Once tree is established, water ring may be leveled. Studies show that mulched trees grow faster than those unmulched, so add a 3"" layer of pinestraw, compost, or pulverized bark over backfilled area. Remove any damaged limbs.

Problems
Miscellaneous
Glossary : Low Maintenance

Low maintenance does not mean no maintenance. It does mean that once a plant is established, very little needs to be done in the way of water, fertilizing, pruning, or treatment in order for the plant to remain healthy and attractive. A well-designed garden, which takes your lifestyle into consideration, can greatly reduce maintenance.

Glossary : Deciduous

Deciduous refers to those plants that lose their leaves or needles at the end of the growing season.

Glossary : Large Tree

A tree is considered large when it is over 30 feet tall.

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