Finally, choose your tree carefully. Fast-growing trees may seem desirable, but they often end up getting too tall or dying quickly. Before purchasing a tree, make sure it is not considered invasive in Napa County.
Also check whether the tree you want can act as a host for diseases affecting other trees. For example, ornamental pears are often affected by fire blight and serve as a depository for bacteria. Fire blight is the greatest threat to the health of pear, apple and quince.
Some of the best flowering trees in Napa County include almonds, cherries, nectarines, peaches, and plums. All are beautiful in bloom. Many small, purely ornamental trees are also successful in our region.
All of the following trees are less than 25 feet tall at maturity. Most are considered “patio trees,” meaning they typically grow less than 15 feet tall. Many of them naturally grow as tall shrubs and can be formed into a tree shape. Most of them are also drought tolerant once established.
• Australian tea tree (Leptospermum laevigatum) grows 10 to 30 feet tall, is evergreen, and is covered in long lasting white flowers. New Zealand tea tree cultivars (Leptospermum scoparium) are typically smaller, ranging from 6 to 8 feet in height, and come in colors ranging from white to pink to magenta.