Shade can decrease your tree’s vigor, which can lead to thinning and heightened disease susceptibility. [1] X Research source Full sunlight isn’t as important in the tree’s later years, as mature trees will usually grow tall enough to avoid being shaded by other plants and trees.

A map of USDA plant hardiness zones can be viewed here: http://planthardiness. ars. usda. gov/PHZMWeb/.

For low-magnesium soils, use dolomitic limestone to raise pH. If your soil is high in magnesium, use calcitic limestone to raise its pH. [3] X Research source Regular sulfur additions can gradually decrease pH over time, although its effectiveness depends on temperature, moisture, and bacterial presence. Aluminum sulfate additions can decrease pH instantly. However, this immediate action can make it difficult to control the extent of the pH reduction. [4] X Research source

The addition of organic matter such as manure, peat moss, or compost, can improve soil drainage.

If your trees are too close, weaker trees will become smothered by the larger ones.

Planting trees outside of the dormancy period can place them under unnecessary stress. Particularly in the spring, when providing them with the amount of water necessary for growth is difficult.

If your tree becomes root-bound, use a knife to cut an “X” along the root ball’s bottom. Follow this by making four cuts vertically along the root ball’s sides.

Use a garden fork to loosen the sides of the hole, but not so much that the sides begin to collapse. [9] X Research source

Place your grass and weeds into a bucket to prevent them from spreading seeds. Sprinkling salt onto the bottom of weed plants can help kill them over time.

You’re always going to damage some roots even if you’re careful. Just try to minimize damage as much as possible.

Adding organic matter like peat moss, compost, or leaf mold can help loosen the soil. Improper root growth is one of the main causes of Leyland Cypress death. [11] X Research source

Good quality topsoil will provide the right combination of nutrients for healthy plant growth and proper water retention.

Use an 8, 9, 12, or 14-month slow-release fertilizer. [13] X Research source Avoid fertilizers high in nitrogen until the tree has developed a proper root system that can support increased top growth. [14] X Research source Root system growth is essential for long-term survival.

Securing your tree to stakes keeps it from bending in the wind.

Leyland Cypress’ need adequate water—even during the fall, their evergreen foliage typically lose water. Water regularly for the 2 to 3 months following planting. After this period, the tree will have a well-developed root system and won’t need as much watering.

If you want your tree to stop increasing in height, cut its central upright stem as well as its outside branches.

Bags should either be destroyed or placed into a 5 gallons (19 L) container. This allows any helpful parasites to escape the bags while keeping bagworm larvae contained. Pests can also be treated with a mild insecticidal soap or spray.