Caring For Thuga Evergreens: How To Grow A Green Giant Arborvitae

The following are some of the most common questions and concerns about growing a green giant tree. Please read through all of them before making your decision. If you have any other question or concern please feel free to ask it here.

Q: What type of soil do I need?

A: All types of soils will work well with thujas. They require good drainage so make sure to keep the soil evenly moist at all times. You may want to use a mulch around the base of the tree to prevent roots rot if you live in a dry climate. Some people like to water their trees once every two weeks but others like to water them less often and just let it sit in standing water when they think there isn’t enough moisture left over in the soil.

Q: Can I grow a tree in my yard?

A: Yes! Trees can be grown anywhere except very hot climates. You must have a sunny location where the temperature doesn’t get too high during the day. Also, you should not allow the sun to shine directly on the trunk of your tree because it could burn off its leaves and cause death.

Q: Will it take long to grow?

A: Not at all! These trees can grow anywhere from 6 to 18 inches in a single year. That being said, they are considered “medium growers” so don’t expect them to turn into giant redwoods overnight.

Q: What if I don’t have a sunny location?

A: No problem! These trees can grow well in shaded areas as long as the soil remains moist.

Q: Will the tree produce berries?

A: Not likely. There are many types of plants that will give you berries but not this one. It just isn’t what this type of tree is known for.

Q: Will it drop a lot of needles on the ground?

A: Again, not likely. These trees have a tendency to hold onto their leaves and needles for long periods of time. You may only need to rake up leaves twice a year at most.

Q: Are there any fruit flies that come with the tree?

A: These trees do not naturally have anything that would lead to an overgrowth of fruit flies. You are more likely to get insects that feed off decaying matter, such as worms and spiders.

A: Can I plant it outside my house?

That all depends on how much shade you have and the climate you live in. If you have a lot of shade then yes, but if you don’t then it would probably be too hot for the tree to survive in your yard.

Q: Should I plant it outside my house?

A: Well it all depends on what you want to achieve. These trees can be grown in small spaces and still look full and lush so planting it outside your house will give you more growing space. That being said, these trees do not like excessive foot traffic or lawnmowers so if you have a lot of that going on then you might want to think again.

Sources & references used in this article:

Giant Arborvitae, Western Arborvitae, Thuja picata by AX Niemiera – 2018 –

Short-term recurring drought affects growth and photosynthetic capacity of four conifer species by JR Pool, JJ Griffin, CR Boyer… – Journal of …, 2013 –

Chemical Composition of the Essential Oils From Twigs, Leaves, and Cones of Thuja plicata and Its Cultivar Varieties “Fastigiata”, “Kornik,” and “Zebrina” by A Lis, A Swaczyna, A Krajewska… – Natural Product …, 2019 –

Ornamental Evergreens by LC Chadwick – 1930 –

Commentary on woody plant breeding opportunities© by MA Dirr – … of the International Plant Propagators’ Society 1212, 2017 –

Using entomopathogenic nematodes and conventional and biorational pesticides for controlling bagworm by SA Gill, MJ Raupp – Journal of Arboriculture, 1994 –

Bulletin No. 24: Garden Guide to Woody Plants: A Plant Handbook by SL Taylor, WA Niering – 1979 –



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