Homegrown: Garden trees: Making the right choices

Choosing garden plants seems easy enough, especially when we fall in love with a particular one. But every so often we err to the extent that a must-have plant becomes a nuisance.

"Why did I ever plant that olive tree?!" is a refrain that more than one gardener is asking this time of year as unwanted ripe olives drop once again, right on schedule.

Of course, litter problems pertain to other trees that also make a horrific mess when fallen flowers, berries, stems and leaves demand a cleanup — an ongoing reminder that it's important to know a species' habit in every season before we choose to plant it.

Olives fit in a special niche, different from many landscape trees that promise only ornamental value or low water needs. They carry the notion of feeding us, something of a myth when we plant only one.

The steadily increasing number of olives planted at wineries has lured many a gardener into considering a mini-orchard, just for the fun of it if for no other reason.

But buyer beware: Olive trees require more care than you may want to give.

Though it's true that a single tree may bear enough fruit to harvest, then brine or press into oil, the entire process is time-consuming, fraught with wrong turns in handling, and expensive in the case of realizing oil.

But for the dedicated hobbyist, the payoff may be worth it, despite several shortcomings.

Though they are often described as small trees, within 10 years their 30-by-30-foot height and spread can overwhelm a typical front or back yard.

And they continue to grow. Pruning will limit size, but poor pruning results in awkward growth that becomes unattractive and difficult to manage.

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