Celosia caracas require full sun when soil temperatures rise above 60 degrees Fahrenheit. They grow best when planted 10 to 16 inches apart to prevent overcrowding. Celosia caracus survive well in areas where heat and drought are common. Over-watering can lead to mites, leaf spots and stem rot. Celosia caracas is a sturdy, low-maintenance plant that grows in most types of soil.Know More
Celosia caracas are annuals, but they can be considered perennials in zones 10 through 12. They have vivid colors that range from cream to yellow to red, with a wide variety in between. The blossoms last through rain and wind and are a common addition to public gardens and parks. The flowers are often seen in cut and dried flower bouquets, where their color and velvet-like softness last for up to six months. The plants come in a range of sizes from dwarfs, which grow only 4 to 6 inches tall, to giants, which can reach over 3 feet in height.
The name celosia is Greek in origin and means burning, referring to the bright colors of the red, orange and yellow flowers, which can sometimes look like flames. Sometimes the celosia is referred to as cockscomb, as the flowers can resemble a rooster's comb.Learn more about Outdoor Plants & Flowers
To store canna lilies during winter, wait until the foliage dies after a hard freeze, cut the foliage off 2 inches above ground level, use a shovel to dig the clump of rhizomes out of the ground, rinse the excess soil away, and allow the rhizomes to dry in a location with temperatures of 70 to 80 degrees Fahrenheit. After one week, transfer the rhizomes to a cool, dark location with relatively high humidity and good ventilation.Full Answer >
Tips for growing dahlias include waiting until soil temperatures reach 60 F before planting and selecting locations that provide rich soil and good drainage. Dehlias do best in soil that is slightly acidic, so adding sand, peat moss or bagged steer manure can improve soil and ensure optimum growing conditions. Another tip is to give each plant 9 to 12 inches of growing space.Full Answer >
Gardeners should wait to transplant hardy hibiscus when soil temperatures allow it to be workable and when new growth is evident after the plant's dormant period. Survival rates for hibiscus plants when transplanted at this time are higher than at other periods.Full Answer >
Canna lilies are left in the ground in regions where temperatures do not fall below 20 degrees Fahrenheit. In regions with very cold winters, the rhizomes are dug up and stored in a growing medium until spring.Full Answer >