It should go without saying that water is vital for plant survival. Plants use water for photosynthesis, transporting water-soluble nutrients, and maintaining turgidity. Turgidity is the water pressure against the inside of a plant’s cell walls that keep plants upright and supple. When a plant lacks water, decreased turgor pressure causes the plant to wilt. During the spring, summer, and fall, wilted leaves indicate a plant lacks water, and experienced gardeners know supplemental water is necessary to ‘perk it up.’ But during the winter, when many plants lose their leaves or wilting leaves are harder to recognize, how do gardeners know when to water?
First, it is helpful to know that South Carolina receives 45 to 50 inches of rainfall annually, well above the Earth’s average of 39 inches per year. Summer heat causes water to evaporate more quickly, causing plant drought stress during periods of hot, dry weather. With adequate rainfall, established plant species appropriate for our climate typically need little to no supplemental irrigation during the winter.
Exceptions to this rule include newly planted trees and shrubs, plants in containers, and periods of unusually dry winter weather. We plant trees and shrubs to take advantage of cooler temperatures in the fall, allowing plant roots to grow while aboveground growth is dormant. The developing root systems of newly planted shrubs cannot access the same soil volume for moisture as established plants. Therefore, it is necessary to monitor moisture around their root balls carefully. During periods with no rain, check soil moisture weekly and water when the soil seems dry.
Plants in containers have limited soil volume from which to access water. Additionally, potting mixtures
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As the year passes, and as each new season settles upon us, we are blessed with abundant and various seasonal crops and produce. While in most mainstream grocery stores, we can now find our favorite foods all year round; however, many prefer to eat what is being grown specifically in that season. Here in South Carolina, entities such as Certified SC Grown is just one example of an organization that is working to bridge the gap between field and plate, making finding local, seasonal fruits and vegetables more attainable.
No other plant native to South Carolina has such fragrant and beautiful spring blooms and stunning fall color as the witch-alders. Fothergilla was named after Dr. John Fothergill, an English physician and gardener who funded the travels of John Bartram through the Carolinas in the 1700’s. These beautiful shrubs have been planted in both American and English gardens for over 200 years, including gardens of George Washington and Thomas Jefferson.
Florida pusley is a low-branching, annual summer weed. Its pretty, white, star-shaped flowers produce an abundance of seeds, and a single plant can quickly turn into an infestation. This weed is extremely drought tolerant and can easily out compete lawns that are not irrigated during extended dry weather conditions.
Nothing says Christmas more than a poinsettia (Euphorbia pulcherrima). Did you know that December 12th is known as National Poinsettia Day? Plant breeders have developed a wide range of colors in hues of white, purple, orange, and pink, but red poinsettias continue to be the most traditional color of the holiday season.
Want to add a tropical flair to your garden this spring? Elephant ears will add a bold statement to a filtered sun or high shade spot. These striking “drama queens” of the garden may be either in genera Colocasia or Alocasia. The easiest way to tell these beauties apart is that colocasias (Colocasia esculenta) will have leaves that point downward, and alocasia (Alocasia species) leaves will point upward. Depending on the species or cultivar of each genus, the size can range from 3 to 10 feet tall and 2 to 10 feet in width. Both types of elephant ears are native to the tropical regions of Southeastern Asia.
COVID-19 has taken the world by surprise, and many people around the world have had to slow or shut things down in recent times. While many folks are working from home, one group of people who cannot are our farmers. Our farmers here in South Carolina have been working and are continuing to work each day so that the world’s food supply and our food supply here in South Carolina remains constant.
Our South Carolina water resources help producers grow the crops we eat, supply drinking water when we turn on the tap, and support industry and our outdoor lifestyle. It is important to recognize how we use water in our community so that we can each do our part to help conserve this important resource. Do you know who is the biggest user of water in South Carolina? It may not be who you think.
In a year when many of our favorite sporting events have been postponed or even canceled, the garden marches on! As gardeners, we have our own backyard competitions each year, keeping mental notes on which varieties we will plant again or replace due to their performance on our ‘home court’. But choosing which varieties will be in our starting lineup each year can become a daunting task.
Springtime color in the residential landscape is never lacking with the multitude of flowers of many species of annuals, perennials, and shrubs. However, autumn colors may be a bit more lacking in the average home garden. This is why I have included deciduous viburnums in our landscape design. Not only do many species have outstanding fall color, but most have beautiful clusters of red, blue, pink, or glossy black fruit. Additionally, for the native plant enthusiasts, there are many species of native deciduous viburnums from which to choose. Of approximately 18 deciduous species that grow well in South Carolina, six are natives.
It never fails that come March and April, the desire for many of our lawns to begin to breaking dormancy is met with the horror that the only things that seem to be green are the weeds that we have been ignoring throughout winter. This may include white clover, dandelions, chickweed, the painful lawn burweed, or so any other species. These weeds may be welcome to some homeowners as some serve as early pollen sources for pollinators, but they can also be a nuisance to others.
Smilax vines go by the common names greenbrier or catbrier due to the thorns covering their stems. There are 300 to 350 smilax species worldwide. Approximately twenty-four species are native to North America, with fifteen species growing in South Carolina. Smilax grows well in moist shade and is an important food source and habitat for wildlife, including birds, rabbits, and deer.
The spring migration of ruby-throated hummingbirds from their tropical winter homes to South Carolina gardens is a highly anticipated event. These jeweled visitors usually arrive in mid-March; therefore, it is important to put up hummingbird feeders by around March 15. Nothing is more exciting than spotting the first arrivals.