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Make a Splash

encore date: May 19, 2016

original air date: May 21, 2016

Want wildlife? Add water! Bj Jenkins and Ted Paone preview 2016’s Austin Pond Society tour where ponds tiny and big prompt outdoor living and wildlife watching. On tour, Barbara and David Hale created an everyday vacation destination in their shady backyard with ponds, waterfall and palapa. Daphne Richards answers: what’s wrong with my oak tree leaves?  Go for bold with Plant of the Week Moy Grande hibiscus, sporting flowers the size of dinner plates. Trisha Shirey’s got sage advice on how to grow persnickety sage to flavor our recipes and bring on the bees.

Episode Segments

On Tour

Serene Pond Backyard Retreat

Wouldn’t you just love a paradise retreat in your backyard? That’s just what Barbara and David Hale created on a standard sized tree-covered lot. Now a vacation spot without leaving home, it’s quite a change from when Barbara bought the house-dead grass and plain old boring. With lots of elbow grease, they’ve created a peaceful destination with ponds, stream and comfy palapa. Plus, they’ve styled things up with hand-crafted mosaics, decks and patios to live outside, even in summer.

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Question of the Week

My oak tree leaves have brown spots and are falling off. What’s wrong?

With all the rain and cloudy, cool, humid weather this year, many gardeners have oak tree leaves with brown splotches of dead areas. We could see that the brown splotches were actually preceded by light green blisters, and the affected leaves were malformed and twisted.

This damage is caused by oak leaf blister, a fungus that attacks the leaves of certain oak species as they are emerging in early spring. The spores of this fungus overwinter on the tree, but only become infectious if conditions are right for their development.

Cool, wet weather favor this pathogen, and we definitely had that this year, much more so than any spring in recent memory, which is likely why our outbreak seems to be especially prevalent this year.

This fungus only affects the first flush of growth in the spring, so leaves that develop later in the season won’t be affected at all.

In severe infestations, the tree may drop all of its leaves, but that usually doesn’t happen. And the infection doesn’t progress past the leaf tissue, so there’s no long-term damage to worry about. Just let the issue run its course. Oak trees will grow new leaves and recover quite quickly.

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Plant of the Week

Moy Grande Hibiscus

Moy Grande Hibiscus

Hibiscus 'Moy Grande'

Moy Grande hibiscus, also known as Texas giant hibiscus, plant was developed in San Antonio and is well-loved by many Texas gardeners. And being hardy to zone 5, which is -20 degrees F, this wonderful plant has made its way much farther north as well. Moy Grande is a hybrid descendant of the tropical hibiscus, which can’t survive winter of any sort, and hibiscus species native to the southern US, which have more tolerance for a bit of chill. With flowers as large as a serving platter, it’s easy to see why so many gardeners love this hardy perennial. For best growth, plant Moy Grande hibiscus in full sun and in a well-drained area of the landscape. Garden beds that have been amended with some compost or other organic matter to create rich, moist soil work best, but if planted in light shade and less ideal soil, Moy Grande will still do just fine. Being a root hardy perennial, this plant will lose all of its leaves once cold temperatures arrive and the above ground stems will eventually die back as well. In late winter, cut all the above-ground portions back to the ground to allow all new growth to emerge from the roots. As with many hardy, shrubby perennials, Moy Grande can get rather monstrous in just a few years, so give it plenty of space. When you buy this plant in a one-gallon container, it’s hard to believe that it will get 4 feet tall and 6 feet wide, but it will, and rather quickly. Once mature, those stems will become a bear to prune every spring, but most gardeners will agree that’s a small price to pay for such a beautiful, easy-care plant. Moy Grande has no pest issues to speak of and requires very little water to survive and thrive. Those dinner-plate-sized flowers are also well-loved by bees and butterflies. Flowering from mid-summer through early fall, Texas giant hibiscus provides delightful color in the garden right through the hottest times of the year, when many other blooms have faded and withered under the harsh summer heat. Our Viewer Pictures come from Charles Vaughn of some of his lovely voyages to Longwood Gardens in Pennsylvania. If you’re heading that way this summer, be sure to check out this historic garden. It truly is stunning. Thanks, Charles!

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