Firewise Landscaping Help

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Just a quick heads-up. Do you live in an area in danger of wildfire? After the Waldo Canyon fire here, and many others around the West, we’re all more aware of the potential for disaster.

Firewise landscaping can make the difference between saving your home, or watching it burn. Carey, over at Pikes Peak Area Garden Help, posted an excellent list of links about gardening in a fire zone. Rather than repeat her efforts here, I strongly urge you to check out her post:

Landscaping in High Fire-Danger Areas

My Favorite Summer Squash

zucchini-home-2008sept23-lah-250The fun thing about growing any kind of summer squash is that no matter which variety you choose, you’re likely to be blessed with a bumper crop. Not only that, but zucchini tastes a lot like patty pan which tastes a lot like crookneck which tastes a lot like the new globular introductions. It’s hard to go wrong.

However, there are subtle differences. I’ve trialed a number of varieties. Surprisingly, some varieties succumbed to a heat wave, hail storm, or torrential downpour, while others persevered.  Others took too long to produce a crop. I find the days to harvest given in the catalogs have little in common with what actually happens in my garden, probably because our nights are so cool.

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Ewww, What’s That?

slime-mold_manitouexperimentalforest-co_lah_1830They’re not exactly beautiful. At first glance, you might guess that your neighbor’s dog has vomited on your lawn, but don’t go knocking on their door quite yet. These flattened slimy or spongy masses are actually living organisms known as slime molds.

Growing up to two feet in diameter, slime molds may be white to yellow, pink or tan. Although they look slimy, they are actually fairly resilient when prodded. Unlike plants, slime molds can travel several feet a day. And despite their name, they are not at all related to molds or other fungi. Rather, they’re considered members of the Protista. If you want more detail than that, let’s just say it’s complicated.

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IPM: Physical Barriers

apples_browns-tacoma_20091016_lah_4005Let’s say you want to grow apples in your Colorado garden—a perfectly reasonable option for this area. You’ve selected a variety that’s resistant to fireblight (I discussed disease-resistant varieties in May), and your tree is thriving. In fact, after several years, it’s finally beginning to bear fruit. You pick your first juice, red apple, take a big bite, and… oh no! Yup, you find half a worm. Ewwww.

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‘Red Rocks’ Penstemon

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An inconspicuous, low-growing mound of evergreen leaves for most of the year, ‘Red Rocks’ takes center stage in mid-summer, with 18-inch spikes of bright pink, bell-shaped flowers. The first penstemon chosen for inclusion in the PlantSelect® program, ‘Red Rocks’ was added in 1999. It’s a cross between a showy Mexican species and a hardy Colorado native, combining the best features of both its parents. ‘Red Rocks’ is named after the park west of Denver.

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My Favorite Beans

pole-beans_colospgs-co_lah_4953If you planted green beans in May, and your garden survived our huge hail storm in June, you should be looking forward to your first harvest this month. While we sweat and complain about the record highs, beans like it hot and they’ve been growing like crazy.

There are hundreds of bean varieties, and even catalogs that specialize in beans of all sorts. I’ll share my favorites. Which ones are yours?

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Calibrachoa (gesundheit!)

calibrachoa-_colospgs-co_lah_5043Imagine a petite petunia with intensely-colored, trumpet-shaped blossoms in shades such as magenta, violet, or copper. Flowers smother the slightly fuzzy, gray-green leaves from late spring until the first hard frost. Prolific flowering means that new flowers quickly replace those damaged by hail, a major asset in our area. Mature plants reach about eighteen inches in width and are less than a foot high. A relative newcomer on the garden scene, Calibrachoa has already gained a place of honor among annual flowers.

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IPM: Cultural Control

caterpillar-and-leaf-damage_blkforest_20090729_lah_7823The best way to ward off insect and disease problems is to grow a healthy plant. Just as a wolf pack will target the weakest member of a herd, insects seem to zero in on a plant that is under stress. Good gardening practices—choosing the right plant for the spot, soil preparation, proper planting, feeding, watering, mulching, and the like, all go a long way to keep our gardens free of damaging pests.

But cultural control goes further than just having a green thumb. Sometimes our yards are invaded by insects no matter how good a gardener we are. In that case, it pays to know the enemy.

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Hail Survivors

centranthus-helianthemum-penstemon-trio-003Colorado isn’t an easy place to garden. Drought, late frosts and early snow storms, soils of sand and/or clay… to grow anything here, you have to be stubborn—and so do your plants. Our recent storms were so destructive, I thought I’d post something about how you can avoid a lot of hail damage in the first place. At least for ornamental landscapes, the key to surviving hail is plant selection.

A tour of the garden after a major hail storm will reveal some plants that are totally destroyed while others have nary a bruised leaf. What makes some plants hail-resistant?

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After the Storm

[This article, by Joan Nusbaum and I, originally appeared in the Colorado Springs Gazette in 2005. I have edited it to make it even more applicable after last week’s storms!]

m5auwe-golfballhail67-c-gazetteLast week, our part of the world was hit by a horrific hail storm. Drifts (if you can call them that) measured four feet high. Houses, cars, and, of course, gardens were ruined by hailstones the size of golf balls (as this photo by Pam Woodward proves). It’s quite shocking to watch from your window and see thousands of hail stones plummeting your favorite garden. Do not despair—the plants may recover! Hail usually does not damage the root system. Here are some things you might do to help your plants survive and even thrive:

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