How to Grow Amaranth Annual Flowers. Annuals. Amaranth, or Globe Amaranth as they are often called, are easy to grow. Bright, ball-shaped flowerheads last for weeks in the flowerbed. They are excellent for dried flowers, retaining their color and shape. Ancient Greeks named this plant for the Greek word for "unfading".
In a warm climate, angel's trumpet can quickly grow several feet in just one season. And if the plant has a fair amount of sun, it will produce blooms all summer long. When planting your angel's trumpet, look for areas with moist, well-drained soil. The plant will thrive during summer's warm days and cooler nights.
The flowers bloom on upright spikes at the tips of the main stems. Species flowers are bluish-purple and cultivars are available in white, blue, light pink and bicolors. Angelonia flowers don’t need deadheading to produce a continuous display of blossoms. Use Angelonia as an annual bedding plant in borders or plant them in masses where they make a striking display.
Annual begonia plants are also deer resistant, so keep them in mind for trouble spots in the landscape. Plant wax begonias in a full sun to shaded location. Full sun locations during hot summer days may stress annual begonia plants, making them susceptible to disease.
Ageratum plants, with fluffy blue flowers, add the desirable blue color to your garden, even if it is partially shaded. Caring for ageratums is simple and easy, particularly for the beginning gardener. The ageratum flower most commonly found in the garden is a hybrid, growing in a petite and compact form.
Mexican tarragon has been grown in Mexico for more than 1,000 years and is also called Spanish tarragon. Lemmon's marigold is native to the American Southwest and known for its strong lemon-mint scent. Mountain marigold is another Mexican marigold. Unlike annual marigolds, these perennial varieties can survive light frosts.
Try growing Drummond’s phlox in flower beds, containers or as part of a border. Their bright beauty and ease of care make them a winning specimen for a host of applications. Annual Phlox Info. Drummond’s phlox plants (Phlox drummondii) are named for Thomas Drummond.
Annual and perennial snapdragons do not have many differences. Either may grow from 6-36 inches (15-91 cm.) tall, both bloom for long periods, both come in varieties with classic snapdragon flowers or azalea-like blooms, and both grow easily from seed unless they are hybrids.
However you ask for it at the garden center, keep in mind that balsam plants are tender annuals that complete their life cycle in one season. Balsam plants grow about 12-24 inches tall, making them suitable for the middle of the summer flower border. The plants grow well in both sun and shade.