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![]() By Vicki Gee-Treft Bee’s Knees Petunia, another 2022 All America Selections’ (AAS) Gold Medal Winner, is lush with pollinator-friendly 2.5” deep-yellow blooms all season long against its deep-green leaves. Bee’s Knees offers great performance in a full-sun garden (spaced 18-24” apart), mixed container, hanging basket or as a groundcover. Gardeners appreciate its 8-10” height with mounding and trailing traits. Both heat and rain tolerant, it requires very little maintenance though it performs best if fertilized regularly. One AAS Judge reported, “No disease, no deer problem, no breakage from the wind. Great plant!” “It withstood the summer heat and tolerated the colder and wetter conditions at the end of the season very well,” exclaimed another judge. This prized distinction winner will be planted at the Teaching & Display Garden at the Spooner Ag Research Station and available for your viewing this summer. Photo and additional information credit: AAS (https://all-americaselections.org/product/petunia-bees-knees) By Vicki Gee-Treft
Begonia: Viking™ Explorer Rose on Green received a 2022 All America Selections’ (AAS) prestigious distinction as a “Gold Medal” winner for its plant breeding breakthrough that produced unique characteristics and super-outstanding garden performance. This trailing begonia “explores” the garden by spreading and spilling its branches over the edges of hanging baskets and containers. Prolific rose-colored, 2.6-inch flowers stand out against the glossy green foliage and do so all season long. This pollinator-friendly hybrid has a strong tolerance to heat & many diseases, as well as both wet & dry conditions, and thrives in full to partial sun. AAS winners are bred and produced without using genetic engineering, and have been judged anonymously by independent, volunteer experts in the field all across North America through AAS, an independent, neutral trialing organization. One AAS judge stated, “This begonia was awesome this year! Compared to the comparisons, it was more floriferous and had a nice, basket-like habit. Excellent variety!” This prized distinction winner will be planted at the Teaching & Display Garden at the Spooner Ag Research Station and available for your viewing this summer. Photo and additional information credit: AAS (https://all-americaselections.org/product/begonia-viking-explorer-rose-on-green/ June is designated National Pollinator Month to bring attention to what we can do to support habitat for pollinators. There are a number of programs throughout the month showing how we can help pollinators in our backyards.
Wisconsin Celebrates Pollinator Week, June 20-26, 2022, raising awareness through statewide and local activities and events. By increasing knowledge and adopting pollinator friendly practices, we can improve pollinator health and habitats. National Pollinator Month is an annual event managed by the Pollinator Partnership to help spread the word about what we can do to protect pollinators. Pollinator Week Webinars hosted by UW-Extension/Horticulture. Webinars are free, but registration is required for each one. Webinars will be recorded for later viewing. Click here for more information on each program and links to register. *June 20 - Pollinator Gardens: Plant Selection and Garden Care *June 21 - Join in Community Science with the Wisconsin Wild Bee App *June 22 - Wisconsin’s Busy Bees: Getting to Know the Bees in Your Area *June 23 - 10 Things to Consider for Weed Management When Establishing Pollinator Plantings *June 24 - How Do Pesticides Affect Pollinators and Songbirds in Your Yard Summer through fall, the slender leaves and stems of little bluestem are an ever-changing kaleidoscope of gray-green, blue, pink, purple, copper, mahogany, red, and orange tones. Wispy silver-white seed heads sparkle in autumn sunlight and coppery brown leaves persist through winter.
Little bluestem is a tough and dependable clumping grass that blends well with perennials such as asters, sedums, coneflowers, and other grasses. Native grasses play their part in the pollinator story too. Little bluestem is a larval host for a variety of butterflies and moths such as crossline skipper, Dakota skipper, and Ottoe skipper. Native to much of North America, it was one of the dominant grasses of the vast tallgrass prairies. In well-drained soils, stems will remain upright but can flop easily if conditions are too rich or moist. Cultivars have been selected for shorter plants, enhanced leaf colors, and stronger stems. Little bluestem’s spikiness complements native and non-native perennials alike. An easy fit for mass plantings or meadows, it is just as brilliant in traditional borders, gravel gardens, and green roofs. Perfect partners are Calamintha nepeta (calamint), Asclepias tuberosa (butterfly weed), Stachys ‘Hummelo’ (betony or woundwort) and Allium ‘Millenium’ (ornamental onion). Schizachyrium scoparium 'Carousel' is recommended for the Great Lakes region. Hardiness: USDA Zones 3 to 9; AHS Heat Zones 7-1. Light: Full sun Size: 24-48 inches tall and 18-24 inches wide; cultivar sizes vary Soil: Dry to medium, well-drained soils. Adaptable to a range of conditions such as clay and poor soils. Overwatering and too much nitrogen can cause floppy growth and increase the probability of rootzone and foliar pathogens. Maintenance: Good drought resistance once established. Tolerant of heat and humidity. Has few pest issues (scout for aphids and spider mites). Cut back in late winter to early spring. Overwinter on the dry side. Perennial Plant Association members vote for the Perennial Plant of the Year. Perennials chosen for the ballot must satisfy a wide range of growing climates, require low maintenance, possess multiple-season interest, be relatively pest/disease-free, and readily available in the year of its selection. At that time, each member may also nominate up to two plants for next year’s consideration. A committee reviews the nominated perennials (more than 400 different perennials are often nominated each year) and selects 3 or 4 perennials to be placed on the next ballot. Credit to https://perennialplant.org/page/2022PPOY Contributed by: Vicki Gee-Treft, Master Gardener Volunteer Each year, since 1996, the American Hosta Growers Association members select one cultivar as an award winner, based in part on its ability to grow well in all regions of the country, be widely available in sufficient supply, and retail for about $15 in the year of its selection. The 2022 Hosta of the Year is “Island Breeze”, created by Walters Gardens Inc., Michigan. First came ‘Fire Island’ (shown below) which was followed by its variegated progeny ‘Paradise Island’. Now there is ‘Island Breeze’ which is the third member of this “tropical” family and a sport of ‘Paradise Island’. The improvements in this cultivar include more impressive variegation due to its wider margins, thicker leaf substance, and a strong growth rate. In early spring, wide, dark green margins stand in sharp contrast to the bright yellow centers. As summer approaches, the centers become more chartreuse when plants are grown in heavier shade or lighter yellow if they are grown in more sun. Like ‘Paradise Island’, this one also has showy red speckled petioles that bleed up into the leaves. Dark lavender flowers appear on tall reddish greenscapes in midsummer. A plus in the garden, their large leaves provide excellent coverage for dying bulb foliage.
Credit to http://www.hostagrowers.org/Hosta_of_the_Year.html
Contributed by: Vicki Gee-Treft, Master Gardener Volunteer Pollinators love verbena! Hummingbirds, butterflies, and moths are all frequent visitors. Bees of all types love verbena, too. Known for withstanding the pressure of hot, dry conditions, Verbena is a member of the Verbenaceae family, which is comprised of 800 species in 32 genera, many of them native to the Americas and Asia. This family is characterized by clumps or spikes of flowers on heat-loving herbs, shrubs, trees, or vines. There are many varied types and habits, including upright and tall, as well as mounded and trailing. Some verbena make great ground covers as well.
Hybrid varieties generally have larger flowers, brighter and more saturated colors, and larger, more weather-tolerant leaves than their species relatives. bred to be more heat, water-stress, and disease tolerant (especially powdery mildew). Leaves and foliage are often dense and, in many species, “hairy.” Its flowers are small with five petals, arranged in dense clusters. Typical colors include shades of blue and purple, but they can also be found in white and pink shades. Others are bred to withstand heat and humidity with flowers and bulky growth non-stop through the growing season. While verbena seed is available, many of the newer varieties that have the desirable traits are vegetatively propagated and can be found as young plants at your local garden retailer in the spring. Verbena looks their best when their soil is kept moist, but not wet as they do not like soggy feet. If the growing medium dries down too much, it can cause flushing, commonly known as cycling-out-of-color where the plant loses blooms but remains green and leafy. Verbena plants should be placed in sunny locations, aiming for 6+ hours of direct light. Most species perform well in the ground, landscape, hanging baskets and patio containers. For the compact-growing verbena, those work best in pots and do not have the root vigor for garden bed applications. For prolonged flowering, deadhead verbena by removing spent flower heads. Powdery Mildew (PM) is an unfortunate occurrence on some verbena. The best practice is to look for newer varieties that have a built-in resistance. If PM does appear (it will present as white patches of fluffy fungus on leaves or stem) treat with a neem spray or your favorite fungicide. Catching PM early is the best solution, as this disease can spread quickly, and its fungus blocks sunlight to the plant’s nutrition system, making the plant unable to produce food, which will ultimately cause the plant to perish. Gardening with verbenas can elevate your landscape design and add texture and color to your patio containers. You’ll appreciate their colorful branches and how well they play with other flowers in your garden. Credit to https://ngb.org/year-of-the-verbena/ Contributed by: Vicki Gee-Treft, Master Gardener Volunteer Growing GREENS, which can be served raw, wilted, blanched, sautéed, or grilled.
The Asteraceae family has some of the best-known salad greens:
Most greens prefer full sun and cool weather (50 to 75°F). Soil that’s evenly moist, but not too wet, yields the best greens. As a general guide, spinach, kale, and mustard greens can be sown six weeks before the last frost, followed by lettuce and chard three weeks later. You can choose to transplant seedlings to get a jump on the season or sow seeds directly into the garden or containers. To ensure a continuous harvest, reseed as often as every few weeks depending on the variety. Note, store seed in the fridge in an airtight container to extend longevity. To prepare outdoor soil, consider mixing in 1 cup of organic fertilizer for every 10’ row. For containers, choose one that is large enough that it won’t easily dry out. Fill with quality potting mix and consider mixing in peat and coir (coconut fiber). Planting depth varies by variety, so be sure to read seed package instructions. After germination, thin seedlings to desired spacing. If your goal is baby leaf, keep the spacing fairly dense. If you’d like to harvest whole heads, ensure spacing of 4”-8” apart within a row. For baby leaf, you can start harvesting when leaves are 3-4” tall. Many varieties will tolerate “cut-and-come-again” harvests. Allow full-size heads 3-5 weeks after transplant to mature. Once leaves reach maturity, harvest right away to encourage new growth and another harvest in just a few weeks. Leafy greens will have different flavors at different stages of harvest. Experiment to find out which flavor works best for you! As much as possible, monitor for over-exposure to heat and water to avoid “stressed greens” that taste bitter rather than fresh. When plants bolt (or send up flower stalks), pull them up as the quality will start to diminish after this. In our colder region, hardier greens like kale, mustard and spinach extend our season, and row cover protection can help achieve an earlier first harvest in the spring and a later final harvest in the fall. Use your fresh salad greens in unexpected ways. Red Butterhead makes a fabulous and healthy burger wrap. Grilled Romaine? A tasty twist on an old favorite. Wilted spinach? It’s incredible. Massaged kale? Pair bitter greens with a sweet dressing and your favorite soft cheese for a gourmet flavor combination. Sturdier greens like romaine, kale, and chicory hold up well when mixed with grains, nuts, and thick dressings. Choose a theme and create a new and interesting salad mix every time. Try it and you’ll be hooked! Credit to https://ngb.org/year-of-the-salad-greens/ Contributed by: Vicki Gee-Treft Popular with pollinators, Phlox is a wide-ranging North American native perennial and a common fixture in woodland, prairie, and meadow landscapes from Florida and Quebec to Alaska. Phlox is a genus with a multitude of species, heights, bloom times, and garden applications. A tubular flower with five petals is common with colors between white, pink, magenta, purple, and blue across the genus, as well as some species showing notable orange or red coloration. Through all of the diversity, Phlox can be loosely grouped into two types: spring bloomers and summer bloomers.
Spring Bloomers Phlox subulata (Creeping Phlox, Moss Pinks) and other early-spring blooming species are low-growing, ground-hugging plants. Typically native to rocky, well-drained environments, when put in a garden without restriction, they become carpets of color, tending to spread as ground covers. Summer Bloomers Most first think of Tall Garden Phlox, a clump-forming perennial that blooms in midsummer and is among the tallest of this species with perfectly formed large, rounded flower panicles that top each stem. Newer summer-blooming varieties tend to bloom a bit earlier, rebloom after the first flowers when trimmed back, have a more mounded shape and a stoloniferous habit. Gardening Tips:
Credit to https://ngb.org/year-of-the-phlox/ Contributed by: Vicki Gee-Treft Photos courtesy of MelindaMyers.com Guest Blog by Melinda Myers With everyone spending more time at home it is not surprising that individuals want to create peaceful oases to relax, meditate or entertain. They are using a combination of plants, decorative fences and screens or container plantings to provide the desired privacy. Arborvitaes have traditionally been used to create a wall of year-round greenery. What often happens is one or two plants die in the middle of the planting once they reach a substantial size. The fix is to leave the space empty, plant a much smaller plant that looks out of place or try squeezing in a larger transplant and risk damaging its neighbors. Help them avoid this problem by including a variety of unrelated plants. If a pest attacks, it is less likely to kill all the plants. And it will be easier to add new replacement plants to the mature planting. Plus, with a mix of plants you can add seasonal flowers, fall color, texture, and more diverse beauty. Narrow upright plants provide screening with a relatively small footprint. Trautman juniper is suited to hot dry locations and grows 12’ tall by 4’ wide. It is resistant to cedar apple rust and deer.
Year-round greenery is welcome but help boost the beauty and enjoyment of your landscape with plants that support pollinators, attract birds, and provide several seasons of beauty. The four-season Obelisk serviceberry grows 12-15’ tall and 3-4’ wide. Its white spring flowers are followed by purple fruit in June that you and the birds can eat. It ends the season in a blaze of color and once the leaves drop exposes smooth gray bark. A close relative, the chokeberries (Aronia) are also known for their multiple seasons of beauty. Lowscape Hedger® is upright three to five feet tall and just two to three feet wide. Like the others, it has white flowers in spring and great fall color. This adaptable plant grows in sun or part shade and tolerates wet or dry soil. Laced UP® elderberry has the foliage of black lace but is upright and narrow, growing six to eight feet tall and three to four feet wide. Its lacy purplish-black foliage makes a nice backdrop for the pink summer flowers, adding to its ornamental appeal. The narrow columnar apples make a good option for those interested in growing edible plants. Urban®, North Pole™ and Golden Sentinel™ apples are a few narrow upright varieties to consider. Plant two different varieties for fruit to form. A vine-covered trellis is an excellent screening option for narrow spaces. Consider growing two different vines like climbing roses or Major Wheeler honeysuckle with clematis to double the floral impact or extend the bloom time. Use an annual vine like hyacinth bean, Malabar spinach, scarlet runner bean or Solar Tower sweet potato vine the first year or two. They’ll provide quick cover while the perennials become established and cover the trellis. Dress up fences with plants. Shrubs, ornamental grasses, flowering perennials can soften the structure and add texture and color. Include pots of tropical plants to create a tropical paradise and annuals for added color. Espalier fruit and ornamental trees are a great way to add the fruiting or beauty of larger trees into a smaller space. These are options only for those willing and able to regularly prune to maintain the desired size and shape. Green wall planters mounted on the fence can add edibility or color at eye level. These typically have a very small volume of planting mix and require frequent watering. Irrigation systems that provide water from top to bottom greatly reduce maintenance and increase success. Make sure the plants selected thrive in the growing conditions and will fit the available space when mature. Less grooming, pest management and care will be needed to grow them into healthy and attractive specimens. Before placing any plant or structure in the ground, call 811 or file online at diggershotline.com at least three business days in advance. Diggers Hotline will contact all the appropriate companies who will mark the location of their underground utilities in the designated work area. This eliminates the danger and inconvenience of accidentally knocking out power, cable or other utilities while creating a beautiful landscape. Please remind others to do the same. Since this important step is often overlooked, April has been designated as National Safe Digging Month. It serves as a reminder to always contact Diggers Hotline whenever undertaking any landscape project, large or small. Melinda Myers has written more than 20 gardening books, including The Midwest Gardener’s Handbook and Small Space Gardening. She hosts The Great Courses “How to Grow Anything” DVD series and the nationally-syndicated Melinda’s Garden Moment TV & radio program. Myers is a columnist and contributing editor for Birds & Blooms magazine. Her web site is www.MelindaMyers.com. |
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