Why Do Birch Trees Have Black Streaks On Their Trunk

They tend to grow between 40 and 70 feet in height.freestar.queue.push(function() { googletag.display("div-gpt-ad-300x250-ATF-1"); });In nature, you will most likely find a river birch tree growing near water.

If the soil in the area isn't naturally moist, installfreestar.queue.push(function() { googletag.display("div-gpt-ad-300x250-ATF-1"); });The tree is susceptible to fungal diseases for which there is no cure, but you may be able to keep them at bay by...

One of the best resources we have at Dave's Garden is a group of members who garden in a professional capacity. It prefers soil on the acid side, but trees planted in higher PH locations just don't get as large.The trees grow quickly and don't require...

Caring for black walnut trees is pretty straightforward after that. Gather the nuts and remove the husks. Keep them moist until they attain some size. Black walnut trees do best growing in deep, fertile, moist yet well-drained soil with texture ranging...

This is the time of year you might want a hard hat if you are walking under a black walnut tree. Unripe fruit is green while fully ripe fruit is yellowish verging on tan.The hulls have a potent stain, so it is advised to wear gloves when harvesting the...

If you can keep your garden or yard separated from the black walnut tree, you will save the lives of your plants. Just make sure to follow the appropriate precautions and you can enjoy one in your yard for a long time to come!

Acorns are the seeds of oak trees. For example, some maple seeds require stratification, which is a pretreatment that simulates the natural conditions that a seed experience before it germinates.Maples come in many varieties, 13 of which are native to...

Pine trees (Pinaceae sp.) rely on seeds for reproduction. The large grains of pollen fall downward and are not blown far by the wind.According to Maya Jerath, M.D., Ph.D., of the University of North Carolina School of Medicine, pine pollen does not contribute...

Not every spring wildflower fits well into a bouquet. When the male catkins "bloom," they turn purple and release pollen to fertilize female flowers.Female birch flowers also pass the winter on the birch tree, but they are enclosed in buds.

Another magnolia distinction is that some species have wide, saucer-shaped blossoms while others have blossoms in the shape of a star. Cultivars in the form of shrubs yield the showy, fragrant blossoms for which magnolia trees are famous.Saucer magnolia...

Instead, when it rains, some stomata are available for gas exchange on the water lily's large leaf surface.In order to keep leaves above the water where stomata can function, the leaves of the water lily have a large number of spongy internal cells to...

Pine trees range in height from 4 to 100 feet. Tap roots grow straight down searching for water.Tap roots provide the pine trees with stability as the above ground section becomes top heavy.

When removing an unproductive, diseased, or improperly placed tree from the landscape, do not throw the wood away. It is also easy to split, burns cleanly with little aroma and burns longer than softwoods, with no popping and little smoke.Citrus wood...

Each dispersal method achieves the biological imperative to remove the seed from the shadow of the parent tree. This pollination causes the nuts to be fertile and able to germinate in the ideal environments.Nut-producing trees include the oak, black walnut...

Live oak, cork oak, canyon oak and Chinese evergreen oak are examples.Deciduous oak trees drop their leaves late in the autumn. The swelling buds on the branch twigs help complete the separation of leaves in spring.Oak trees may shed their leaves earlier...

Juglone is excreted primarily in the roots, saturating the soil in a radius of 50-60 feet or more in a mature tree. Black Walnuts produce a substance known as juglone which is toxic to many plants, and can cause allergic reactions in humans and horses.

The two-sided maple samaras contain two facing nutlets attached to flat wings of papery tissue. A slow-growing tree, it eventually reaches height of 100 feet or more. The seeds appear on trees about a month after spring flowering, and mature at different...

If you wrap the trunk of the tree over winter, make sure you remove the wrapping before spring so that it doesn't provide shelter for insects. It may crumble away slowly so that you hardly notice it, but some types of trees have a more dramatic shedding...

This makes palm pruning a job best left to the professionals. Never use tree spikes on a palm tree and always disinfect your pruning tools with denatured alcohol before use. The specific stalk or trunk that you cut off will never come back.A palm tree...

The seeds can be rounded or angled and average between 1/8 and 5/8 inches wide. In any given year, only three or four should be growing: the oldest, which produces flowers and fruit; the next oldest, which should be about half the size of the oldest;...

Fibrous roots are intricate networks of smaller roots that penetrate the soil in all directions away from the plant in search of water and nutrients and are generally close to the surface of the soil.

The flowers on hermaphrodite trees can self-pollinate due to their possession of both male and female organs. These plants usually don't produce fruit, unless they have bisexual flower parts, which can develop a few poor-quality papayas.Female trees have...

Not all plants lose their leaves, so what is going on? The leaves don't mind sticking around, but the trees kick them off! Yep, this isn't just about falling, it's more about shoving, evicting.

Its larvae bore into the bark of weak or wounded trees, creating sap flow issues. Paper birch is known for its snow white, exfoliating bark, while water birch has mahogany or black bark.

Acorns come in many varieties and grow throughout the United States. Though sometimes referred to mistakenly as an "acorn tree," the tree that produces acorns is the oak. Acorns vary widely from species to species within these broad categories.

Plant cells lost the ability to assemble flagella during their evolution. Plant cells and animal cells are similar in many ways, but also different in others. Plant cells can photosynthesize, for example, while animal cells cannot.

The leaves of some deciduous trees turn bright colors before they drop to the ground, while others simply fade or turn brown. Photosynthesis utilizes chlorophyll as it provides energy for the tree.