Tips for helping plants thrive when it’s hot and how to use less water while gardening.
LANGLEY, Island County — Severe drought is parching large sections of America, but that doesn’t mean giving up on gardening. Plants can be coaxed through the hot summer months despite severe water restrictions.
“Looking ahead, we expect dry or erratic conditions for plants,” said Weston Miller, a horticulturist with Oregon State University Extension. “Planning landscapes now for minimal watering is the smart way to go.”
It’s safe to allow lawns to go brown (dormant) in summer and then bring them back in winter, he said.
“Maintain the smallest lawn possible, especially if you’re going to irrigate,” Miller said. “If there are some old roses or other plants in your garden that aren’t serving their purpose or died because they weren’t getting enough water, then replant them with plants known to be drought-resistant.”
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Drought-tolerant plants pose challenges of their own, however.
“Odds are they’ll die if not watered well that first year, before they become established,” Miller said. “Plant things in the fall when it’s cooler and watering isn’t needed. Then the winter rains (or snow) will come along and provide some help.”
Add plants that thrive in dry summers and wet winters. That would include lavender and sage (herbs), bougainvillea and vitis californica (vines), lobelia and common myrtle (shrubs), buffalo grass and Bermudagrass (turf), among many others.
Use soaker hoses or drip systems that deliver water more efficiently and cut down on evaporation.
“Water in the morning,” Miller said. “Don’t water in the middle of the day, as it will speed evaporation and can burn foliage on particularly hot days.”
Be proactive about watering plants in containers, he said. “Once the soil has dried out in pots, it’s difficult to get it rehydrated. You lose a fair amount of nutrients in that soil, too.”
Some Irrigation Association tips for using less water while gardening:
A recent survey of landscaping and garden trends by the homes website Houzz.com found that many new homebuyers already are reducing the size of their lawns or removing them entirely.
“It’s surprising how many are putting in synthetic lawns. In California, it’s 1 in 5. I’m seeing a lot of them,” said Nino Sitchinava, the principal economist at Houzz, who lives in Palo Alto.
“Even more people are going back to mulch, which is a traditional approach,” she said. “Other ground covers are becoming more popular than turf grass.”