
Arborvitae trees in pots can thrive with the right care. They prefer well-draining soil and a slightly acidic to neutral soil pH between 6.0 and 7.0.
Choose a pot that is at least 6-8 inches deep to accommodate the arborvitae's root system. A container that is 1-2 times the diameter of the tree's root ball is ideal.
Water your arborvitae regularly, but make sure not to overwater. Check the soil moisture by inserting your finger into the soil up to the first knuckle.
A layer of mulch around the base of the tree can help retain moisture and suppress weeds. Keep the mulch layer thin, about 1-2 inches deep.
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Planting and Care
Planting arborvitae in pots is a straightforward process. First, choose a pot that is large enough for the plant, and make sure the soil level is the same as it was in the nursery.
To care for your arborvitae in pots, locate the pot in an area that receives full sun to partial shade. In hot climates, protect the plant from direct afternoon sun, while in cooler climates, place it in a spot that gets 6-8 hours of direct sunlight.
When planting, locate the start of the root system and never plant the tree below this point. Prepare the roots by gently loosening them before planting, as container-grown trees can be severely root-bound.
Planting

Planting your arborvitae in a pot is a great way to bring some greenery into your space. Make sure to get a pot that's large enough for the plant, and plant it at the same level as the dirt in the pot.
You'll want to get your arborvitae from a reputable source, like a nursery or online retailer, and choose a pot that fits the plant's needs. Getting a pot that's too small can be a problem, so take the time to choose the right one.
Before planting, take a look at the root system of your arborvitae and make sure not to plant it below the start of the roots. This is important to prevent damage to the roots.
When preparing the roots, be aware that container-grown trees can be severely root-bound, so give them some extra care. This might mean gently teasing out the roots to help them grow.
To ensure the base of the planting hole is firm, add some mulch around the tree using the 3-3-3 method. This means applying 3 inches of mulch, in a 3-foot diameter around the tree, and keeping 3 inches of space between the mulch and the trunk.
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Caring

Caring for your arborvitae in pots is relatively easy. Locate the pot in full sun to partial shade, but be sure to protect it from direct afternoon sun in hot climates.
You'll want to water your arborvitae regularly, especially in hot weather. In fact, these plants can get dried out quickly if they don't receive enough water, so make sure to check the soil moisture regularly.
Fertilizing your arborvitae after planting can be a good idea, especially if you don't have a rain barrel to collect water. However, if you do have a rain barrel, you can use that water to avoid over-fertilizing.
As winter approaches, you'll need to bring your arborvitae into a protected area to keep it from freezing. This can be as simple as moving it to a garage or a covered patio.
Here are some specific care requirements for your arborvitae:
Young Plants
For young Arborvitae plants, it's essential to transition to a 1-3 gallon pot as they mature. This size supports growth for about 2-3 years before requiring an upgrade.
A 1-3 gallon pot is ideal for young Arborvitae, allowing them to establish a strong root system and promote healthy growth.
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Choosing the Right Planter
Choosing the right planter for your Arborvitae is crucial for its health and growth. The size of the pot depends on factors like the root ball, variety, and whether you'll be transplanting it or not.
A good rule of thumb is to choose a pot that's 6 to 7 times the size of the root ball. If you don't want to transplant your Arborvitae for a long time, a 20-gallon capacity pot is a good option.
The material of the pot is also important. While any material will do, we recommend plastic or ceramic for their durability.
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Selecting the Right Planter Size
Selecting the right planter size is crucial for your Arborvitae's health. The size of the pot depends on a few factors, including the size of the root ball, variety, and whether you'll be transplanting it or not.
In general, the size of the pot should be 6 to 7 times the size of the root ball. This is a good rule of thumb to ensure your plant has enough room to grow.
If you don't want to transplant your Arborvitae for a long time, choose a pot with a 20-gallon capacity. This will give the plant the space it needs to thrive.
As your Arborvitae matures, you'll need to upgrade to a larger pot. Young plants typically do well in a 1-3 gallon pot, which supports growth for about 2-3 years before requiring an upgrade.
Mature Arborvitae need more space, so opt for a pot that is 5-10 gallons or larger. This will prevent issues like root binding and promote healthy growth.
Here's a rough guide to help you choose the right pot size for your Arborvitae at different growth stages:
Remember, the right pot size will make all the difference in your Arborvitae's health and growth.
Clay
Clay pots are a popular choice for plants like Arborvitae due to their breathable nature. This helps regulate moisture, allowing roots to breathe while preventing water from sitting stagnant.
Clay pots can be heavy, which might make them difficult to move around.
Clay pots can crack if exposed to freezing temperatures, which might be a concern in colder climates.
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Plastic
Plastic pots offer a lightweight alternative that is less prone to breaking. They retain moisture well, making them a practical choice for those who may forget to water regularly.
Plastic pots are less breathable, so drainage is crucial to avoid overwatering. Overwatering can be detrimental to your plant's health.
If you choose plastic pots, make sure to check the drainage regularly to prevent waterlogged soil.
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Importance of Drainage Holes
Proper drainage is crucial for the health of your Arborvitae. To prevent water accumulation, ensure your pot has at least 3-5 drainage holes at the bottom.
Clay pots, for example, are a popular choice due to their breathable nature, but they can still benefit from additional drainage holes to prevent water from sitting stagnant.
Plastic pots, on the other hand, are less breathable and can lead to overwatering if drainage is inadequate, making proper drainage holes even more essential.
Overwatering can lead to serious issues like root rot, which can be signaled by symptoms such as yellowing leaves.
Healthy drainage promotes robust root systems, which in turn supports overall plant vigor, allowing your Arborvitae to thrive.
Soil and Watering
When growing arborvitae in pots, it's essential to get the soil right. Choose a good quality commercial potting mix that has soil as its base from the market, or make your own by mixing sterilized loam soil, coarse sand, sphagnum peat moss, and perlite or vermiculite in equal parts. Garden soil is not sterile so do not use it.
Watering your arborvitae in pots requires some finesse. Water a bit before and after planting so that loose soil settles around the roots. Depending on the climate in your region, water your arborvitae once or twice a week, keeping the soil moist but not overly wet.
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Fertilizing
Fertilizing is a crucial step in keeping your plants healthy and thriving. You want to choose a slow-release fertilizer that's medium to low in nitrogen.
This type of fertilizer will help prevent excess growth on the top of your plants, which can be a problem if you're growing them in pots. A well-manured compost or fish emulsion can also be a great option for fertilizing your plants.
Air circulation is better with a less dense shrub, and increased exposure to the sun can really make a difference. By keeping your plants well-fertilized and well-ventilated, you can help them grow strong and healthy.
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Best Soil

To grow a healthy Arborvitae in a pot, you'll want to choose a good quality commercial potting mix that has soil as its base. This type of mix is specifically designed for container gardening and will provide the right balance of nutrients for your plant.
Garden soil is not suitable for potting because it's not sterile, which can lead to problems with your plant's health. You can make your own potting mix by mixing sterilized loam soil, coarse sand, sphagnum peat moss, and perlite or vermiculite in equal parts.
A well-made potting mix will help prevent water from accumulating in the soil, which is essential for healthy root growth.
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Watering
Watering is a crucial aspect of caring for your Arborvitae in a pot. Water a bit before and after planting so that loose soil settles around the roots.
To keep the soil moist but not overly wet, water your Arborvitae in pots twice a week, depending on the climate in your region.
Misting over the soil or placing a humidity tray nearby can also help, as Arborvitae loves humid surroundings. This can be especially beneficial in dry or hot climates where the soil tends to dry out quickly.
Repotting and Maintenance
Repotting your arborvitae is a crucial part of its care. It's essential to repot your arborvitae every 1-2 years for young plants and every 3-5 years for mature plants.
Timing is everything when it comes to repotting. The best seasons for repotting are early spring or fall, when the plant is not actively growing, which minimizes stress and helps your arborvitae adjust to its new home.
To repot your arborvitae, choose a new pot that is 1-2 sizes larger than the current one. This gives the roots room to grow. You can repot your arborvitae into a new container that's two-thirds of the height of the plant in size.
Here's a step-by-step guide to repotting your arborvitae:
- Choose a new pot that is 1-2 sizes larger than the current one.
- Prepare fresh potting mix suitable for arborvitae, with a well-draining mix being key to healthy roots.
- Carefully remove the plant from its current pot and gently loosen the root ball to avoid damage.
- Place the plant in the new pot, center it, and fill with potting mix, ensuring it's stable.
- Water thoroughly to settle the soil, making sure excess water drains out to prevent root rot.
For young arborvitae plants, transition to a 1-3 gallon pot, which supports growth for about 2-3 years before requiring an upgrade.
Pests and Diseases
Pests and diseases can be a real challenge when growing Arborvitae in pots. Bagworms, spider mites, and aphids are common garden pests that can cause harm to Arborvitae.
Spraying neem oil solution over the plant is an effective way to get rid of these pests. This method has been tried and tested, and it's a great DIY solution for many gardeners.
Tip blight is another fungal disease that might cause severe damage to the plant. If you notice any affected parts, cut them back to prevent the spread of the disease.
Overwintering
Overwintering arborvitae in pots requires some careful consideration. You'll want to check the hardiness of the plant to ensure it can survive outside in a pot.
It's recommended that the plant be at least one zone hardier to survive, and ideally two zones hardier. If you live in Maine, for example, you'll want to choose an arborvitae that can thrive in a zone lower than your own.
Exposure to winds, sun, and other harsh elements can also affect the plant's survival. If your pot will be exposed, you may need to take extra precautions.
A larger pot can provide more insulation for the roots, but it's not a guarantee of survival. You'll still need to consider the plant's hardiness and exposure.
If you do decide to overwinter your arborvitae, make sure to provide additional protection on the outside of the container. You can add insulation around the pot or surround it with chicken wire and leaves.
It's also a good idea to keep the pot off the concrete, as the concrete will get colder than the ground. This can help prevent damage to the plant.
Container Tree Planting
Planting an arborvitae in a pot is a great way to add some greenery to your space, and it's actually quite easy. You can find arborvitae in a variety of sizes and colors, so you're sure to find one that fits your style.
To get started, you'll want to choose a pot that's large enough for the plant. The size of the pot depends on the size of the root ball and the variety of the arborvitae. In general, the pot should be 6 to 7 times the size of the root ball. For example, if the root ball is 1 gallon, you'll want a pot that's at least 6-7 gallons.
If you don't want to transplant the arborvitae for a long time, choose a pot with a 20-gallon capacity. This will give the roots plenty of room to grow without becoming root-bound. The pot should also be sound and sturdy, as it will be holding the plant for a long time.
To plant the arborvitae, locate the start of the root system and never plant the tree below this point. This will help prevent the roots from becoming damaged. Prepare the roots before planting by gently loosening them, as container-grown trees are often severely root-bound.
Here's a quick guide to help you prepare the roots:
- Locate the start of the root system and never plant the tree below this point.
- Prepare the roots before planting.
- Ensure the base of the planting hole is firm and supports the root ball.
- Add mulch using the 3-3-3 method (3 inches of mulch, 3 foot diameter around tree, 3 inches between the mulch and the trunk).
By following these simple steps, you'll be well on your way to growing a healthy and thriving arborvitae in a pot.
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