Olive Tree: Beauty and Bane

Do you have an olive tree, Olea europaea, in your landscape? We do - a 'Kalamata' olive. It's a beautiful evergreen tree that, once established, requires very little water. The pollen can be highly allergenic. Ten years ago, we brought it home from the Vacaville Home and Garden Show.  It was a spindly little stick, not more than ten inches tall from root ball to tip. We were excited at the prospect of harvesting our own olives and curing them with a method my husband read about that used only water and salt instead of lye. Let me say, LOTS of water and salt. We planted it in the back portion of our vegetable garden, about two feet from the fence line. No, I was not a master gardener ten years ago, or I would have known to plant it farther from the fence.

Over the years, it's grown to about 20+ feet tall. Since then, that vegetable garden has been relocated to accommodate a swimming pool, the size of which was dictated by the location of the olive tree. My husband and I are out there pruning the tree a few times a year to keep it from hanging over the neighbor's yard. In the spring, the yellow pollen from the tree coats the patio and chairs in a thick yellow dust. From now until January, I am constantly picking up dropped olives to alleviate staining of the concrete. And the olives we were going to cure? Haven't eaten a single one. On the upside, the tree provides a terrific area of shade to sit under, and lends a distinctively Mediterranean atmosphere to the backyard. It is a beautiful tree.

So what have I learned from this tree? Two feet between a tree and a fence is nowhere near enough. Curing olives takes time and patience. Even though olive trees grow well in Solano County, don't plant them near a pool!

Don't put a pool next to an olive tree.

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