This article covers seven of the best annual plants with blue or purple flowers:
Blue or Purple Flowering Annual - Ageratum
Ageratum is sometimes called the floss flower, and sometimes called the blue jean flower. Its flowers range from bright purple to a bright blue. Ageratum is an annual that enjoys light shade. It flowers from early summer until the first frost. This purple annual flower grows in mounds and is great for your garden border.
Blue or Purple Flowering Annual - Browallia
This purple annual flower is a favorite in my own garden. The flowers range from deep, vibrant purple to pure white. The small spreading plants are covered with the violet-shaped flowers. Like most annual plants, it blooms from spring until frost.
Blue or Purple Flowering Annual - Heliotrope
This annual plant is not very hardy, but is perfect for protected, sunny spots in your garden. Helitrope has attractive dark green foliage and masses of small purple flowers. Heliotrope is actually an evergreen shrub and can get up to two feet tall. Due to its delicate nature, however, it is often considered an annual garden plant.
Blue or Purple Flowering Annual - Morning Glory
The morning glory is actually an annual vine that self-seeds readily in your garden. The morning glory comes in white, pink, purple, and perhaps the truest blue of all flowers. This vine will climb over everything in its path and is often considered a weed despite its beauty.
Blue or Purple Flowering Annual - Lobelia
Lobelia is another garden plant that is actually a perennial but is grown as an annual in most gardens. It is a low-growing plant with small leaves and masses of small purple flowers. There are also pink and white varieties.
Blue or Purple Flowering Annual - Forget Me Not
This diminutive plant is often found growing wild near streams, but is planted in the garden as an annual. The plant rarely gets over 8-10 inches high and prefers partial shade. The flowers of the forget-me-not are bright blue with yellow and white centers.
Blue or Purple Flowering Annual - Torenia
Torenia is a tender annual that enjoys partial shade and moist soil. It has bright purple viola type flowers that bloom from midsummer to fall. It is also called the wishbone or monkey flower.
Choosing one of these beautiful purple or blue toned annual plants for your garden is a great idea. These cool tones will provide a sense of peace and tranquility to your garden.
