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This leafy green vegetable is often used in Mediterranean cooking. It is considered to be one of the most healthful vegetables available. Not only that, it can add color to your 'edible' garden. The leaf blades can be green or reddish, while the leaf stalks are usually white, yellow, or red.
Pictured is "Red Chard", which is growing in the Vegetable Garden.
A common name for this plant is "Sticks of Fire." It is a drought tolerant plant, which can be grown in containers both indoors and outdoors. All parts of this plant are poisonous if eaten, and are toxic to dogs and cats. Handling the plant may cause skin irritation or allergic reaction.
The structure of the plant is unusual and striking. It can be found in our Greenhouse garden.
Zinnias are one of the most popular annual plants. Their blooms are usually 3" - 4" in size. Zinnias tolerate most soil types, are generally pest free, and are very user-friendly.
This short stuff zinnia mix is especially pretty. Find it in the Boulder Garden.
Capsicum annuum, are early-maturing peppers that point straight up on this miniature ornamental. This plant is perfect for fall containers or as a delightful front-of-the-border standout.
If you want some color in your fall landscape, this plant is truly an eye catcher. It produces large numbers of tiny peppers which mature from green to yellow to blazing red, and some species can be used to add sizzle to a menu item.
Look for ornamental peppers in the Vegetable Garden and throughout the Linnaeus Gardens - you won't have to look too hard because their colorful display makes them a standout.
SunPatiens® is a revolutionary new hybrid impatiens bred by Sakata. These remarkable plants represent a breakthrough in flower breeding: robust, sun–loving, heat–loving impatiens that thrive in full sun or part shade and deliver continuous color from spring through frost. Whether used in baskets, window boxes, patio pots or in the landscape, these beautiful plants combine massive flower power with tough, low-maintenance plants that flourish almost anywhere.
The SunPatiens family consists of three unique series, each offering a distinct growth habit that is perfect for nearly every garden application. Three season performance is the hallmark trait for all the series so regardless of which variety you select, your SunPatiens will be covered with beautiful flowers from spring, through the torturous heat of summer, right up to the first hard frost. Note: This description is courtesy of the Sakata website. See all their varieties at http://www.sunpatiens.com
Compact Electric Orange can be seen in our Entry Garden along the Saddle Wall, a shady area.
Salmon Verigated Leaf can be found on the north path from the Linnaeus Statue/Outdoor Classroom to the Boulder Garden. It is a knockout this year, in the shade.
Croton is a tropical plant that can be used as an annual in the garden or as a display planter, and it comes in an amazing diversity of leaf shapes and colors. It has rather thick evergreen alternate leaves, tiny inconspicuous star-shaped yellow flowers that hang down in long racemes, and a milky sap that bleeds from cut stems. Depending on the cultivar, the leaves may be ovate to linear, entire to deeply lobed, and variegated with green, white, purple, orange, yellow, red or pink. The colors may follow the veins or the margins or they may be in blotches on the leaf.
You can find this tropical plant in a planter located in our entry garden.
Pineapple Lilies are a group of summer flowering perennials that are truly a show stopper. Our guests to the garden keep asking about this unusual plant. In the early spring this bulbous perennial's leaves appear and make you ask "What is it"? Then the long flower stem starts to appear sporting blooms that really do resemble the fruit of a pineapple. It is winter and summer hardy, but does seem to appreciate afternoon shade.
You can find this plant in the entry garden and just outside our outdoor classroom in the boulder garden.
Supertunias are a vigorously trailing species of an ever-blooming, long living petunia from Australia. They will provide long term color in full sun areas throughout the season, and can grow nearly an inch a day. They are ideal for baskets, beds, balconies, and combination plantings. Supertunias are very heat and drought tolerant once established in the ground or pot.
Supertunias do not need to have their dead flower heads removed to continue flowering and they are not leggy. They grow fast and therefore need ample moisture and fertilizer.
Check out our Entry Garden and other garden areas as well to see amazing displays of Supertunias after our long hot summer - absolutely beautiful.
Nothing can compare in mid summer months to the heat loving crape myrtle, especially the 'Whit' cultivar crape myrtle series. Lagerstroemia indica is the scientific name for the crape myrtle and Dr Carl Whitcomb has created eight different varieties. Three of his famous cultivars can be seen at the Linnaeus garden - Pink Velour, Red Rocket, and Rhapsody in Pink.
Most crape myrtles are hardy through zone 7, but Dr Whitcomb's creations are hardy through zone 6 (Tulsa zone is 6b), and all have high mildew resistance.
Pink Velour was picked as a "2003 Oklahoma Proven" plant, which proves its hardiness for Oklahoma weather. It has distinct dark wine foliage which peaks in spring and then explodes with shrill pink flowers in mid-summer.
Red Rocket has cherry red flowers and is the fastest growing "Whit" red and may have more repeat blooms then the famous Dynamite Crape Myrtle which was chosen as a "2002 Arkansas Select Plant".
Rhapsody in Pink has a distinctly unique landscape appearance with soft pink flowers against nearly purple foliage.
They are deciduous plants and can be grown as large shrubs or gently pruned into multi-stemmed tree-form plants. The crape myrtle has become a mainstay in mild-climate landscapes because of its ease of production and cultivation, long-lasting mid-summer bloom, range of plant habits from miniature potted plant to large tree, and diversity of landscape uses.
Tight on space, but love to grow vegetable crops? Try growing vining crops on trellises: The plants are more exposed to sunlight and air, so they are less troubled by mildew and other diseases. And since most of the fruits dangle off the ground, they are less susceptible to rotting.
Many melons can thrive on a trellis. But because they're heavy, you'll need to support them with cotton or nylon slings
Visit our Heirloom Vegetable garden to see this great space-saving trellis idea in action as well as other handy practices such as raised beds and container crops. We use cattle panels that we curve from one raised bed to another for our trellises.
Pink Zazzle Gomphrena has large, hot pink to fuscia blooms.
The 3” wide flowers last several weeks in the garden or as a cut flower. It blooms constantly from spring to late fall, and performs best in warm weather and with high light.
Come see Pink Zazzle Gomphrena in our Greenhouse.
The 10' tall shrub is not actually a rose but is in the Mallow Family and is sometimes called "Shrub Althea". Carl Linnaeus classified Hibiscus syriacus in the 18th century based on a herbarium specimen from Syria to which the species apparently had been imported long ago, since its origins are from India and East Asia.
Rose of Sharon comes in many colors - especially white, lilac, and pink. It occurs as a single flower, or as a hybridized double. Blooms first occur in late spring and continue through early fall, making Rose of Sharon one of the few summer-blooming shrubs.
Individual blossoms open in early morning, close at night, and usually last less than three days. Regardless of the flower's color, there is almost always an intensely maroon central spot formed by a concentration of pigment at the bases of five large petals. The almost-triangular serrated leaf of Rose of Sharon is semi-glossy dark green and about 3" long. The foliage is also deciduous. Rose of Sharon goes into a very long resting period and is one of the last shrubs to green up in spring.
Rose of Sharon is a great plant that can be pruned to show off its multi-trunks. We have several examples in our garden. Treeing it up enables the eye to see through the branches to any hardscaping or plants behind it to give the view a layering look.
This particular plant is in our Boulder Garden
Water Lily plants will add intense color and green foliage to any water garden, while also attracting birds and butterflies. These red, pink or white lilies will thrive with any other water plants already growing in your pond, and they are cold hardy.
We found them blooming in our water garden and had to share their beauty.
Photos by Marc Schreiber
last updated August 17, 2014