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Consider Location, Needs When Buying Trees

July 24, 1999|U.C. MASTER GARDENERS

Question: I need to replace several oleander trees, and I would prefer to replace them with small trees that have blooms or colorful foliage. What do you recommend?

J.V., Newport Beach

Answer: There are a variety of trees to choose from. To narrow down the possibilities, you need to evaluate what it is that you want the tree to do. Would you like it to provide shade, bloom or screen an unwanted view? Is litter OK, such as from dropping nuts, seeds or fruit?

Below are some suggestions to help you choose the right tree for your yard:

* Take a good look around your area and see what grows well there. Visit local arboretums and gardens to view trees that have reached maturity. If you are unsure of a species' name, take a leaf sample to your local California Certified Nursery professional for evaluation. Find out how fast the tree grows, if there are problems with pests and diseases and its water requirements.

* Decide whether you want a deciduous tree that loses all its leaves at some point, or an evergreen tree that loses leaves gradually throughout the year. Will it be close to a pool where you wouldn't want leaf drop?

* Does the tree need to be compact or can it be sprawling? How close is the planting area to existing buildings, eaves, porches? Keep in mind that the branches should not touch any structures or utility lines when the tree is full size.

*

The following are some small trees (and some large shrubs) to consider for replacement of your oleander trees:

* Arbutus unedo (strawberry tree) is a beautiful evergreen large shrub or small tree. It prefers good drainage and infrequent deep watering and will tolerate the more frequent irrigation found in lawns. The strawberry tree thrives in sun or part shade and tolerates heat, smog, drought and wind.

It grows at a slow to moderate rate and reaches 8 to 35 feet, with equal spread.

Leave it unpruned to make a screen or prune it to make an open-crowned tree. Its trunk and branches are a rich reddish brown. White or slightly pink blooms form on red stems October through January. Red and yellow fruit follows this in fall and winter.

Two free-flowering shrubby forms are also available. Arbutus unedo 'Compact' grows to 6 to 10 feet, and A. unedo 'Elfin King' never grows greater than 4 to 6 feet. Both are ideal in containers.

* Bauhinia forficata (Brazilian butterfly tree) is an evergreen to deciduous large shrub or small tree that can grow to 20 feet. It has deep green leaves and creamy white blooms spring through summer. Its angled branches and twisted trunk lend a unique quality to the yard. Good shade tree.

* Callistemon citrinus (Lemon bottlebrush) can be pruned as an evergreen shrub at 10 to 15 feet or trained as a 20- to 25-foot tree. A number of varieties are available in different shades of red. The lemon bottlebrush blooms off and on throughout the year. It requires full sun and needs little water once established.

* Camellia japonica (Camellia)--many cultivars. Most C. japonicas grow to about 6 to 12 feet tall.

* Cassia leptophylla (Gold Medallion tree) is a graceful weeping nearly evergreen tree that quickly grows to 20 feet. Deep yellow blooms peak in July and August, and scattered bloom occurs later. Requires full sun and infrequent, deep watering.

* Cercis canadensis (Eastern Redbud) is a deciduous tree that can grow 25 to 35 feet. Small, rosy pink blooms appear in large quantities on bare branches in early spring. Provide with full sun and some shade in hot areas, with regular water. A choice variety to consider is 'Forest Pansy,' which has attractive purple foliage.

* Citrus--numerous standard and dwarf varieties to choose from including lemon, orange, grapefruit, etc.

* Erythrina crista-galli (Cockspur coral tree) is a rough-barked deciduous tree or shrub that can reach 15 to 20 feet high and wide at maturity. (Thornless coral tree). Size can be controlled with pruning. Warm pink to wine-red blooms appear intermittently from spring to late fall.

* Lagerstroemia indica and hybrids (Crape myrtle) is a deciduous, slow-growing single or multi-trunk tree or shrub, which can grow to a height of 15 to 25 feet, with a 10- to 15-foot spread. Crape myrtles prefer full sun and infrequent deep watering once established. They will bloom profusely from July to September in a variety of shades, from pink to purple to white.

The following Indian tribe hybrids provide mildew resistance and should be considered: 'Catawba' (dark purple), 'Cherokee' (bright red), 'Pecos' (pink), 'Seminole' (pink) and 'Zuni' (dark lavender).

* Ligustrum japonicum (Japanese or wax leaf privet) is an evergreen shrub with creamy white blooms and a dense, compact growth to 10 to 12 feet. Another Ligustrum to consider is L. ovalifolium (California Privet) a semi-deciduous to evergreen shrub that can be sheared to the desired height.

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