How to Get a Lemon Tree to Flower

Lemon trees are tropical plants that thrive in warm, moist, sunny climates. They can only be planted directly into the landscape in areas where temperatures remain above freezing. The trees may be grown in planters and brought indoors during early fall in locations with below-freezing winter temperatures. They bloom prolifically under ideal conditions, but otherwise flower minimally or not at all. Providing regular applications of fertilizer and controlling weeds encourages the tree's health, which leads to the development of blooms.

Systemic herbicide
21-0-0 fertilizer

Instructions

- 1
  Plant at a site with soil that doesn't remain soggy after rainfall to prevent fungal root disease. Place the tree somewhere it will get at least six hours of sunlight each day. Transplant it to a more suitable spot if you're working with a tree that's already been planted. Situate potted lemon trees in a sunny location as well.
- 2
  Provide the tree with 1 inch of supplemental water every seven to 10 days, unless the soil has been soaked by rainfall. Monitor the moisture level in potted lemon trees closely and water when the top 1/2 inch of soil dries out.
- 3
  Apply a systemic herbicide beneath a lemon tree planted in the landscape to eliminate weeds, which compete for nutrients and moisture. Spray the weeds and grass beneath the tree until they are dripping. Reapply the herbicide at the frequency indicated on package instructions, which is usually every six to eight weeks.
- 4
  Provide the tree with 21-0-0 fertilizer during spring and summer. Feed 1 cup during the first year, divided into four separate applications throughout spring and summer. Increase the amount by 1 cup annually, but don't exceed 3 cups per year.
- 5
  Prune suckers from the bottom of the tree as soon as you notice them, because these offshoots sap vital energy and moisture from the tree.

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