Species water oak

water oak

Quercus nigra

Water Oak (Quercus nigra) is an evergreen, drought-tolerant tree native to the southeastern United States. Growing up to 80 feet tall with a spread of 50 feet, this tree has a pyramidal, rounded crown and smooth gray bark. It produces an abundance of green, pointed leaves which turn yellow in the fall before dropping to the ground. The Water Oak produces buoyant, round acorns which are often eaten by wildlife. This tree is a very common component of American forests, and due to its hardiness, is widely used in landscaping for parks, streets, and other public spaces.

Cycle:

Perennial

Watering:

Frequent

Propagation:

Seed Propagation,Cutting,Grafting Propagation,Layering Propagation,Air Layering Propagation,Budding

Hardiness Zone:

6 - 9

Flowers:

Flowers In Spring

Sun:

Full sun

Leaf:

Yes

Leaf Color:

green,red,yellow,orange

Growth Rate:

High

Maintenance:

Moderate

Drought Tolerant:

Yes

Salt Tolerant:

Yes

Care Level:

Medium

watering

Water oak trees usually require watering once a week while they are actively growing. During the summer months, it is wise to increase the frequency of watering to twice a week, as the temperatures are higher and the heat can cause more water loss from the tree than in cooler months. It is best to deeply water the tree, rather than lightly sprinkling it with water. To do this, use a garden hose or watering can and allow the water to slowly seep into the soil around the root system of the tree. If you are using a hose, keep the water pressure at a moderate level. Depending on weather and soil conditions, the water oak tree should receive at least 1 gallon of water per week for every inch of stem diameter. Also provide your water oak with several inches of mulch to help both retain moisture and reduce weeds.

sunlight

Water oak (Quercus nigra) is native to the southeast United States and thrives in areas with well-draining soils and full or partial sun exposure. Water oak prefers long days of full sun for optimal growth and fruiting, but is known to tolerate partial shade during the midday and afternoon, as temperatures tend to rise and the sun is much hotter during these times. The species should receive a minimum of 6 to 8 hours of direct sunlight each day for optimal growth; however, if planted in partial shade, provide at least 3 to 4 hours of direct sunlight each day. Additionally, when planting in more shaded areas, make sure to supplement the sunlight with a strong artificial light source.

pruning

Water oaks should be pruned in early spring, before they start to bud. This will help reduce the risk of shock from pruning and allow for rapid healing and a flush of new growth. Pruning during the dormant season also allows for better air circulation and light penetration to the interior branches. Water oaks typically respond well to pruning, but it should be kept light--no more than 1/3 of the canopy removed at any 1 time. This will help improve the overall structure of the tree and encourage healthy growth. It is also important to consider the shape of the tree when pruning, creating a pleasing form that will look attractive in the landscape.

Season

Fall
Winter
Spring
Summer
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Starts Flowering

Water oak typically starts flowering in April.

Hardiness Map