Annual plants are plants that grow for a single season before dying back, but many plants that are annuals in one region, may act as perennials in another. Annual flowers provide immediate color to any landscape or garden. Orange annuals are widely available at nurseries and garden centers at the start of the planting season. They may be purchased as seedlings and transplanted into the garden, or planted directly from seed.
Impatiens (Impatiens) are among the most popular annuals, and are available in a wide range of colors, including orange. They may be perennial in warmer climates. The plants have heart-shaped leaves and delicate, five-petaled flowers that bloom in summer in cooler regions and nearly year-round in more temperate climates. Orange varieties include the Paradise New Guinea Timor (Impatiens hawkeri) and Impact Orange (Impatiens walleriana). Both of these plants require partial shade in southern locations and need regular water. Soil should be kept moist to prevent wilting.
Marigolds (Calendula officinalis) are a tried and true annual that provide a pop of color in late fall to spring in temperate areas, and spring to summer in cooler areas. Marigold blooms resemble daisies and have single or double blooms. The most well-known marigold colors are bright orange or yellow, though this plant is also available with more subtle apricot, yellow or cream blooms. Marigolds make long-lasting cut flowers and are hardy enough to withstand mass plantings in public spots like parking lots or along streets. Marigolds prefer full sun and moderate water.
Snapdragons (Antirrhinum majus) are bright bloomers that provide intense color in spring and early summer in cold regions or winter and spring in more warmer climates. The showy blooms grow on a single stalk that has many small lobes, each of which blooms. Snapdragons may grow to 3 feet, though many dwarf varieties are available. The Montego Sunset variety is a deep orange with pink and purple highlights. Snapdragons prefer full sun and regular water.
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