0
Trees
Above ground, trees and shrubs perform important environmental services by providing food and shelter to people and wildlife, oxygenating the air, and beautifying the landscape. Below ground, their roots open up critical passageways for the movement of air, moisture, and soil food web members.
10,768 Questions
Does a cocklebur come from trees?
It's a summer annual that produces a conspicuous prickly 'cocklebur' and ranges from 1/2 to 6 1/2 feet in height. Common cocklebur is found throughout the United States and is primarily a weed of agronomic and horticultural crops, nurseries, and occasionally pastures.
What percentage of a tree can you cut out without killing it?
The amount that a tree can tolerate having removed at once varies depending on the species and the condition of the tree. Some trees can be cut down completely, and then re-sprout from their roots! The general rule however, is to never remove more than one quarter of the canopy.
Can you eat crab apples from a Red Jade weeping crab apple tree?
when they're ripe enough, you pick them off and eat them. you'll know because they will have a red coloring
Do roots of a deodar cedar tree spread?
The roots of a deodar cedar tree would likely not spread out any wider than the base of the tree. They would not spread out and make new trees.
How tall is a nearby tree that casts a 13 foot 5 inch shadow?
It depends on the angle of the sun. The height of the tree is equal to the lenght of its shadow times the cotangent (or divided by the tangent) of the sun's angle above the horizon.
Which climate are tilia trees found?
There are around 30 species of Tilia trees, and they are found in temperate climates throughout most of the northern hemisphere. The widest variety is found in Asia.
How do you take a cutting from a umberella tree?
Our plant book says to cut at an angle and put it in water till it roots. Then plant.
What time of the year should you trim your English ivy Ground Cover?
If you must trim it do it in the Spring.
What is Russian name for Capparis flavicans?
Scientific name: Capparis flavicans,
Russian name: Белый кеперс,
English name: White caper bush
What is the scientific name for the Pencil Cedar tree?
The name would be Juniperus spp. Family: Cypressaceae.
Are oak leaves good for lawns?
Any leaves left on the lawn are not good for it. All leaves should be removed as soon as possible. Oak leaves are particularly good for composting.
Why is dawn redwood named metasequoia?
The latin prefix meta- means 'to be associated with but to be distinct from'. So it was probably named because the biologists found it similar to the Sequioia but also distinct in it's own ways.
It could also be because they look slightly similar from a perspective but are in fact not related biologically.
Where is the grapefruit tree grown?
First discovered on the Caribbean island of Barbados in 17th century, it was brought to Florida in 1823 for commercial cultivation.
Acorns are light brown or beige on the tops and the bottom is dark brown.
Basically, you need the cambium layers to touch and grow a callous.
What kind of plant provides most of soft wood lumber for construction?
The pine tree provides most of the soft wood lumber for construction. This wood is cheap and plentiful and the trees grow back quite quickly.
What is the origin of the oystershell scale?
The oystershell scale is one of the most common armored scale insects that cause injury to shade trees and shrubs. When this scale insect was first described in Europe in 1758, it was referred to as the mussel scale. See the link below to the Entomology Department, Penn State University factsheet on oystershell scale.
