Tag Archive | garden planning

The Simple Daisy

by OCMGA Master Gardener Vicki Schilleman

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From my garden: Shasta daisies snuggled next to Bee Balm

Other than the dandelion, what is the first flower you remember as a child? Is it a daisy? When we draw flowers, don’t we draw a simple daisy? When imagining a summer field of flowers, isn’t it the daisy we imagine?

Daisies have been around forever and are so often underestimated or overlooked when planning a garden. And yet, you can never have too many low-maintenance blooms! Deer-tolerant and disease-resistant, Shasta daisies should have a home in every garden!

Although we may think of daisies as the simply flower with the white petals, there are many, many cultivars that provide different colors for your garden plans. ‘Banana Cream’ Shasta daisy is easy care, even in the heat of summer. But that’s not the only benefit of this beautiful, long-blooming perennial.

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From my garden: the yellow blooms of ‘Banana Cream’ Shasta daisy among the purple flowers of catmint

Its large 4- to 5-inch flowers are stunning in midsummer. Semidouble, they open pale lemon-yellow — a unique hue for Shasta daisy. In a few days, blooms slowly fade to creamy white. Plants are covered in flowers ranging from shades of pastel yellow and cream.

No matter which stage blooms are in, though, their golden yellow centers are a big draw for butterflies. Snip stems back to a leaf function lower on the plant, so it’s not so noticeable, for long-lasting cut flowers. Two or three weeks later, you should get a slight rebloom, though flowers will be fewer and smaller.

A compact grower that spreads to form neat clumps, ‘Banana Cream’ doesn’t splay open in the middle, like some other Shasta daisies. It has a densely branched habit, for lots of flowers — even on side shoots — and branches are thicker, too, so sturdy stems don’t flop in the rain. Plus, ‘Banana Cream’ won’t give you the same disease problems as older cultivars susceptible to stem rot, leaf spot, or verticillium wilt — it’s green foliage stays good-looking throughout the season.

This Shasta daisy likes a spot in full sun, although it will tolerate some afternoon shade in areas with very hot summers. Because it’s compact, ‘Banana Cream’ works well in containers or at the front to middle of a border. Once established, it doesn’t mind dry soil, but wet soil in winter can kill plants, so be sure to choose a well-drained site. Every two or three years, divide a crowding cluster in early spring to keep plants blooming vigorously.

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A Geranium by any other name…

 

by OCMGA Master Gardener Vicki Schilleman

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Geranium ‘Brookside Blue’

When you hear ‘geranium’, I’m guessing you picture the beautiful annuals that are so beloved by northern gardeners. While I, too, love those gorgeous full heads of color all summer long, there is another geranium that I love as much: the ‘hardy geranium’.

Hardy geraniums are distant cousins of the tender plants known as geraniums. The irony is that the hardy plants have technical rights to the name (they belong to the genus Geranium), but it is the tender ones that most people think of when they hear “geranium”.

Technically, the familiar houseplants are not geraniums. They belong to the genus Pelargonium. But the confusion is natural. Both the hardy and tender versions belong to the Geraniaceae family, and they both used to be in the genus Geranium. Then the tender ones got split off into Pelargonium, but people kept right on calling them geraniums.

Pelargoniums were brought to Europe from South Africa early in the seventeenth century. They found immediate favor, but it was their scented leaves and not their flowers that caused the sensation. By the time they came to the U.S., more than a century later, Pelargoniums’ large clusters of bright red, orange, or hot pink flowers had taken center stage, a position they still hold; scented-leaved geranium fans are passionate, but a minority.

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My Cranesbill: ‘Bikova’ clustered at the base of a tree peony

Meanwhile, back in the temperate British and American countrysides, numerous species of native Geranium, known to the populace as cranesbills, were finding their way into gardens. The cranesbills do double-duty, offering beautiful, long-lasting leaves as well as loose umbels of flowers in a wide range of pinks, blues, and purples.

You can usually tell these plants apart by general appearance: the leaves of Pelargonium are thicker than those of true Geranium, their flower stems are stiffer, and though individual flowers are smaller, they tend to be clustered more densely. And if you look closely at the individual flowers, you can usually see a tiny spur on the pelargonium flower stalk (geranium flowers don’t have them).

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Cranesbill ‘Bikova’ in bloom

Color helps too: although both kinds might be white, plants in the genus Geranium come in purples, blues, and blue-tinged reds and pinks; those in Pelargonium may be true red, orange-red, pink, or orange, but they do not sing the blues.

Note: Wild geranium, also known as cranesbill,  (Geranium maculatum) is a hardy perennial excellent for naturalizing, or filling in, under bushes or wherever there is dappled shade or part sun. The American native wildflower, with it’s flat, delicate-looking pink-lavender flowers and deeply notched foliage, is very easy to grow, ultimately reaching between 12 and 18 inches.

Plants for Pavers

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Pavers planted in the style of a rock garden

Pavers create lovely walkways through our gardens, but why not make the garden part of your walkway?! There are many plants that will thrive between pavers, sending leaves and flowers through the cracks as they spread their roots under the protective mulch of the stones. Which ones you choose will depend on the size of the spaces between the stones, and on whether you want just a bit of green fuzz or something more like a rock garden.

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Pavers planted with sweet alyssum

In the latter case, you might like to try old-fashioned pinks, Dianthus deltoides. In early summer, this long-lived perennial sends up green wands topped with fragrant flowers in shades of red, pink, and white. But they’re equally valuable for their sturdy tufts of narrow, dark green leaves, which start early in spring and stay good looking for a long time. An alternative is sweet alyssum, an annual that self-sows so reliably that it’s effectively perennial. Alyssum can have a somewhat weedy appearance; the stems are lax and the leaves are pale, but it’s fragrant white, pink, or purple flowers will keep coming all summer as long as you shear it back from time to time.

If you want the low, mat-like look and would like to have fragrance to boot, choose Corsican mint (Mentha requienii), which has tiny, round intensely fragrant leaves, or one of the various creeping thymes (Thymus serphyllum). T.s. ‘Coccineus’ has crimson flowers and dark foliage, which T.s. ‘Albus’ has lighter green leaves and dainty white flowers in early summer.

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My considerably less formal pavers planted with thyme and moneywort

Don’t forget that not all paved places are created equal. Where conditions are hot and dry, the pinks and thymes will thrive, the alyssum will be ok, and the mint will fade away. Should the pavement be in damp shade, on the other hand, the mint will be happy, the heat lovers won’t, and you could also think about using moss. It is a slower grower that will take much longer than plants to fill up and spaces, but if conditions are right for it, the effect can be beautiful.

Miniature Neighbors

20170709_152219OCMGA Master Gardener Colleen Reed recently undertook a project to remove a small pond that had been in her yard, and replaced it with a whole new group of neighbors!

As Janit Calvo says in her book Gardening in Miniature, “What is it that draws the heart and eye to things smaller than real life? Perhaps the fact that anything miniature reminds us of play. After all, childhood toys were our first miniatures.”

Whatever the reason, gardening in miniature (or, creating mini-wonderlands) has become a huge industry. Once you are bitten by the miniature garden bug, there’s no turning back. The miniature industry is the biggest segment of the toy and hobby market, and the sheer number of sizes and scales is mind-boggling.

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To ensure the realism that creates enchantment, these critical elements are necessary: plants, accessories, and a patio or pathway. The planned, intentional aspect of a patio or walkway immediately signals to the viewer that this is no ordinary planting, teasing them to come in for a closer view.

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Creating your own little world is a lot of fun once you have the right parts, plants, and pieces all together. So collect the ingredients and tools, pour a favorite beverage, and enjoy some creative time with a new hobby!

Black Walnut Conundrum

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Leaves and fruit of Black Walnut

Black walnuts have a long history of cultivation on American farms and, to a lesser extent, in gardens all over the East and Midwest. They are beautiful trees, with upright trunks and wide canopies. They bear delicious (though hard to crack) nuts, and they are very valuable as timber trees — a single straight trunk can be worth thousands of dollars.

Unfortunately, black walnuts are not completely garden-friendly. The extensive surface roots compete with anything planted over them, the thick leaf cover produces dense shade, and all parts of the tree exude a chemical called juglone, which inhibits the growth of a great many plants.

Vegetables in the solanaceous group — tomatoes, peppers, eggplants, and potatoes — seem particularly sensitive to joglone, as are many perennials, including columbines, peonies, and chrysanthemums. Hydrangeas appear to hate juglone. So do rhododendrons and azaleas, lilacs, and lilies. Ditto pines and birches, apples, and blueberries.

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Stately Black Walnut with beautiful over-arching canopy

Because juglone-laden feeder roots extend far beyond the tree’s canopy, and juglone-containing leaves and nut hulls also tend to get spread around, none of the plants listed above is likely to do well unless it’s at least 50 feet away from the drip line of a black walnut and 100 or more feet away from the trunk.

So what’s left? Quite a lot, really. Kentucky bluegrass and black raspberries actually seem to thrive when planted near (but not under) black walnuts. If the soil drainage is good and other growing conditions are right, gardeners have also had success with cucurbits (squash, melon, and cucumber), as well as beans, beets, and carrots.

The list of possible flowers is longer, starting with spring-flowering bulbs (except crocus) and woodland wildflowers such as Jack-in-the-pulpit, sweet woodruff, and cranesbill. Many hostas appear to be up to the challenge, and asters, day lilies, coralbells, and Siberian iris are also likely bets. Euonymous usually does o.k., and so do Japanese maples, viburnums, redbuds, and hemlocks.

One warning: As the recurrence of words like “seems” and “possible” suggests, these pros and cons are based on observations, not controlled experiments. And to complicate matters further, the amount of juglone in the soil can vary considerably, depending on such factors as soil type, drainage patterns, soil microorganisms, and the age of the tree.

So, if there’s something you’re dying to try under a black walnut, try it. But watch carefully. Affected plants will quickly show signs of stress and should be moved before they start dying, too.

Return to Reverence – The Marigold

by OCMGA Master Gardener Tammy Borden

Early on in my marriage I wasn’t exactly a gardening diva. In fact, I had very little interest in gardening. But my husband’s father, Louie, had gardening in his veins. I fondly remember going to his house and weaving my way through narrow passageways of seedling flats in his garage. Soon, the flats were transferred to a small greenhouse set up in his driveway. It wasn’t long before friends, neighbors and strangers were stopping in to buy his plants and engaging in some of the most colorful conversation they had ever had.

download (1)Louie, the ultimate salesman, always touted each variety of flower he grew, but none seemed to rival his affection for marigolds. Yes, I said marigolds! It’s not just the marigold’s distinctive scent that causes many seasoned gardeners to turn up their noses. What is it then, that brings many to dismiss them? Could it be that we have become gardening snobs, believing we have progressed too far in our botanical knowledge to extol such a lowly flower, as though it is only reserved for the commoners and unsophisticated gardeners? I hope not. I long to bring marigolds back to their once revered reputation. It’s name alone expresses how admired and respected it once was. In fact, marigold or “Mary’s gold,” was named after the most revered of all women in history, the Virgin Mary, and were believed to bring good luck. Originally discovered in Central America in the 16th century by the Portuguese, it was brought back to Europe where it grew in popularity. Today in South Asia, yellow and orange marigold flowers are grown and harvested by the millions to make garlands used to decorate statues and buildings. In Mexico and Latin America, marigold flowers are used to celebrate All Saints Day and All Souls Day, and flower heads are scattered on relatives’ graves. So, it stands to reason that they should receive an honored place in our own gardens. Through the years many hybrids have been developed to bring out the most desirable characteristics like large flower heads, various plant sizes and unique colorations.

Perhaps the furthest advances in breeding, however, have been in diminishing one of its most notable qualities: its scent. Many people find the scent offensive. I personally find it’s something that one needs to learn to appreciate. I like to think of it like coffee; when I first tried coffee, I couldn’t understand why anyone would drink such an awful concoction. But with time I came to acquire a taste for the brew and now I love to greet each morning with a hot cup of coffee. And likewise, I love to greet each spring with marigolds.

Many use marigolds to outline garden beds or vegetable plots, believing they help keep out rabbits, deer and insects. While marigolds can deter some pests, they are not the all-purpose pest and plant repellent that people have been led to believe they are. Yet the marigold itself is virtually pest and disease free, with the exception of their arch-nemesis, earwigsfrench-marigold-1225611__180, which like to nestle and munch inside its tightly clustered flower heads. Despite countless breeders’ attempts, very few new color varieties of marigolds have been developed. The most common remain the yellow, gold and orange varieties seen in garden centers and catalogues. You will not find a pink marigold… yet.

Burpee’s Seeds, however, has done exceptionally well with developing unusual white varieties of marigolds. ‘French Vanilla’ is my personal favorite. It’s scent is light and pleasant, and is one of Burpee’s earliest triumphs in hybridizing white marigolds. It grows to 2’ with large 3½” flower heads and deep green foliage. The blooms are white with a hint of cream. Other notable white varieties include ‘Snowball’ and ‘Snowdrift’. Burpee’s Seeds played a major role in making the marigold among the most used flowers in America. After sweeping over Europe and Asia in popularity, David Burpee saw the promise in marigolds. In 1915 he took over the seed company founded by his father, W. Atlee Burpee. Young David felt that marigolds held promise and decided to feature them in his catalog and fund research. If you love giant flower heads, try the ‘Inca’ or ‘Inca II’ varieties. These giants produce 4-5” flower heads of bright yellow or orange on stocky 20” plants. If you’ve driven down South Oneida Street in Appleton during the summer, you’ll notice this variety lining the streets of Marigold Mile. Many other great varieties are available. Here are the three most common types of marigolds:

 

  • African or American Marigolds: These plants grow to 3’ in height with large globe-shaped flowers. ‘French Vanilla’ is among these beauties.
  • French Marigolds: These plants generally grow from 5-18” tall. Flower colors include red, orange and yellow, as well as bicolor varieties. Flowers grow to 2”across. A great new variety is called ‘Fireball,’ a unique combination of yellow and reddish orange with a large flower head.
  • Signet Marigolds: Recognized for their finely divided, lacy foliage and clusters of small, single flowers. The flowers are yellow to orange colored and are edible, having a spicy tarragon flavor. The foliage also has a pleasant lemon fragrance. A popular variety is ‘Starfire,’ with petite, bushy plants that boast hundreds of small florets.

downloadThe marigold. It’s no fuss, easy going, with a bright and sunny disposition. It may not be the flashiest of flowers or even the most impressive. It’s good at highlighting others around it, and is reliable, strong and simple. But I suppose that is why I love the marigold so much. Its attributes, character and charm remind me of Louie, who has sadly since gone on to meet the Master Gardener of all gardeners. It is partly because of him that I am so passionate about starting my own seeds, and I will always grow ‘French Vanilla’ marigolds in his memory.

Straw Bale Gardening – take 2

Guest speaker Jim Beard shares information about Straw Bale Gardening

I’ve done posts before on Straw Bale Gardening (see June 9, 2016 here), but I thought a repeat was in order as we’re all thinking about getting our gardens going for 2017. For those who not yet tried it, this might be the perfect alternative to creating a big vegetable garden. At our Garden Conference on April 1, guest speaker Jim Beard (subject of October 15, 2015 post here) had a wonderful presentation about the benefits of trying straw bale gardening.

According to Jim, you plant from the top the first year, plant from the bottom (potatoes) the second year, add it as a wonderful addition to your compost pile in year 3. There’s a little work involved, of course, but all good gardening requires some work!

I’d be interested in your efforts — let me know if it’s successful for you!

 

by OCMGA Master Gardener Vicki Schilleman