Bedding plants that flower for the longest time include cosmos, begonias and geraniums. Check the plant label for flowering times when you buy. Another thing to consider is how much maintenance your plants will need.
Its name is Anthurium and is often called the world's longest blooming plant. Each heart-shaped flower spike can last up to eight weeks. The largest genus of the Arum family, Anthurium andraeanum is commonly known as Tail Flower (the Greek word for tail flower), Flamingo Flower, Painter's Palette or Laceleaf.
But no, the agave americana is definitely from Earth. It's also known as a century plant because it only blooms once every 100 years (roughly) and then dies.
Stick with Pincushion Flower
Butterfly Blue pincushion flower is a nonstop perennial that blooms all summer. The cushion-like blue flowers are on slender stalks reaching 12 to 15 inches tall and are a surefire way to attract butterflies.
The titan arum is a flowering plant, native to Indonesia's island of Sumatra. The plant's full bloom only once every seven to ten years. This rare event only lasts 24 to 36 hours.
Corpse Flower
The flower, native to the rainforests of central Sumatra, blooms once every 8 to 20 years, but when it does it opens up to 5 feet wide, or more, with a single dark-purple petal under a tall central stalk.
In the Arid Greenhouse at the Chicago Botanic Garden, Agave ocahui is known as the century plant because people used to think it flowered only once every 100 years. A more accurate estimate is that it blooms once after 25 to 30 years of growth.
Asters. The starlike flowers of asters are the grand finale of perennial flowers that bloom from spring to fall, almost completely covered in blooms late in the summer and often lasting until the first frost. Asters typically flower in deep purple and lush lavender, but there are also white and pink varieties.
American agave plants are known for their fairly fatalistic life cycles: live, die, repeat. After blooming, the plants are expected to die shortly thereafter, usually leaving behind clones of themselves in the form of seeds.
This agave plant at the University of Michigan's Matthaei Botanical Gardens agave grew to be 28 feet tall and blew past its 25-year life expectancy by waiting a full 80 years to finally bloom. American agave plants are known for their fairly fatalistic life cycles: live, die, repeat.
The Encyclopedia Britannica entry for the flower tells us that: Titan arum, (Amorphophallus titanum), also called corpse flower, herbaceous flowering plant of the arum family (Araceae), known for its massive foul-smelling inflorescence (cluster of flowers).
Firecracker plant (Cuphea ignea), loves summer heat and sun, so it's a great summer annual variety. "The bright orange flowers are small but produced in abundance and truly flower all summer," says Montgomery.
Alyssum. Alyssum is a warm zone perennial plant, which means it can bloom all year in climates like California. It has small, fragrant white, pink or purple flowers and grows best in full sun.
Most common hydrangeas prefer a partial sun location - ideally receiving sun in the morning hours and shade in the afternoon. The reblooming Endless Summer® Hydrangea series prefers part shade.
For added color and interest, mix your full sun plants in a flower container. (They should be able to tolerate full sun.) Flowering shrubs for sun, such as small hydrangeas, annuals that can take the heat, like zinnias and marigolds, and perennials that need sun, like coneflowers, are just a few possibilities.
The Middlemist Red flower is probably the rarest flower in the world, and it can only be found in London and New Zealand. The Chinese botanist John Middlemist brought this plant to London in 1804. The flower, formerly thought to have disappeared from London, is no longer present in Asia.
Century Plant (Agave Americana)
The century plant was so named because it was originally thought to bloom once every 100 years; however, it actually matures and blossoms after 50 or 60 years at most.
The corpse flower (Amorphophallus titanum) is the largest unbranched inflorescence in the plant kingdom, boasts a powerful stink, and blooms for just 2-3 days once every year or two. The bloom can grow up to 8 feet tall! This plant fascinates visitors of all ages.
Dubbed the 'corpse flower', Titan arum (Amorphophallus titanum) stinks of rotting flesh when in bloom.