Milk thistle (Silybum marianum) is a biennial or winter annual weed native to Europe. Also known as blessed thistle and lady's thistle, milk thistle is classified as a noxious weed. The plant has a mature height of 2 to 6 feet with wide, spiny edged, variegated foliage and reddish-purple flower head
Canna lilycanna limbata image by Sergey Goruppa from Fotolia.comCanna lilies, with their giant leaves and vibrantly-colored flowers, make a bold statement in outdoor landscaping. These are generally hearty plants that flourish with little more than generalized care. However, canna lilies...
Imagine stalks of colorful, fragrant blooms swaying in the breeze as you look out over your garden. Lavender plants are hardy and can grow well in many parts of the country. The natural perfume of lavender plants is used as essential oils for aromatherapy and for creating scented lotions and potpour
Many farmers and gardeners like to know their soil's level of water retention to try and nail the perfect time to water certain crops and plants. Old testing methods used to involve lengthy experiments with water retention sieves, but now the test can be done quickly and simply using a tensiometer,
Peppers are often part of both novice and experienced gardeners' plots. These plants are easy to grow and produce vibrantly colored, crisp, versatile fruits. Like many plants, peppers are often prey to garden pests, warranting use of pesticides such as Sevin dust. Pesticides may result in a plant wi
Many gardeners grow elm trees as ornamental yard additions, and people also use the trees for their wood. They tolerate a wide range of soils and varying environmental conditions, but they also, unfortunately, sometimes have problems with insect pests. Elm leaf beetles, elm bark beetles and wooly ap
Bromeliads are plants in the Bromelioideae subfamily. Billbergia, named for Swedish botanist Gustavo Billbergia, is a genus in this subfamily that contains about 64 species. Many hybrids of these colorful flowers are available. Billbergia are epiphytes, meaning that they grow on trees in the wild. T
English Ivy produces dark green, waxy leaves.ivy image by Alison Bowden from Fotolia.comThe English Ivy is a popular evergreen vine commonly used in landscaping design throughout the United States. A hardy plant, English Ivy can survive cold weather, extreme heat and otherwise...
The tallest native deciduous trees in the eastern US, tulip poplars (Liriodendron tulipifera) aren't poplars at all, but are instead part of the magnolia family. They get their common name both from their tulip-shaped leaves and from their greenish-yellow spring flowers.
Black spot disease on roses can ruin the beauty of the plant and cause defoliation. The fungus appears as round black spots on the leaves of the roses, progressing to large lesions on the leaves and stems and often the blooms themselves. While many of the treatments for black spot rely on toxins, t
Moshi Monsters is an online game for children in which players can adopt various monsters called "Moshi Monsters," and gain levels for these monsters by solving various puzzles throughout the game. Players can also find small pets called Moshlings, which are discovered by planting flowers in a cert
The possibility of water damage concerns every homeowner. Whether it be from leaking roofs, broken gutters or seepage in foundations, water damage creates an expensive and unpleasant problem for many homes. Water damage causes foul odors, fungus growth, allergy problems and structural deterioration.
A watermelon is a type of edible fruit and is one of the most common types of melons. There are more than 1,200 different varieties of watermelon. The most common variety contains a green, yellow or white striped outer core called a rind and a pink juicy and sweet center. When the melon is ripe, it
Hibiscus plants are hardy and can grow in a variety of environments. The plants grow bright flowers with dark green leaves. The flowers will add color to your yard, as they bloom in many different colors–such as pink, red, yellow and purple. If you care for the plant properly, it will continue
Lady fern is a native North American plant in the genus Athyrium. It is a decorative fern with delicate fronds and can be grown as a houseplant or in the landscape. Lady fern is found across the United States and is a deciduous fern that drops its leaves when temperatures cool. It can reach heights
Dry soil isn't always a challenge or threat to mature plants, but it's usually very difficult to get new plants to sprout in dry environments. But if you plan on planting during a dry spell or if you live in a typically dry climate, you can still get seedlings to sprout outdoors. The trick is to tra
Pepper plants grow well in planters. Plant them in spring when nighttime temperatures do not drop below 55 degrees Fahrenheit. Peppers grow best in fertile, well-draining potting soil. Planters should have at least three drainage holes.
Crape myrtle is a favorite small tree in warm climates. Its large flowers show up in summer when little else is blooming in the garden. Recent decades have seen the development of many crape myrtle varieties, with selections now available in many sizes and colors. One variety, "White Chocolate," off
Avid gardeners know that often your No. 1 enemy is one that you never actually see. You do, however, see the destruction it leaves behind: tunneled holes, munched produce, trampled flowers and shredded shrubs. The North American mole can frustrate those who work to perfect their lawns and gardens. T
The color of a light source can have an overwhelming effect on a flowering plant. Flowering plants absorb certain specific wavelengths of light during each stage of their development. The color of a beam of light depends on its wavelength--the distance between two identical parts of a wave. Red and