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.
'Autumn Joy' is a perennial flower that blooms all year and that can be grown in zones 3-9 across the variety of climates that can be found in these zones. This sturdy sedum provides the landscape with reddish-pink flowers in late summer.
Evergreen flowering perennials will keep their green foliage all year, long after the blooming season is over. Many herbs are particularly known for being great practical flowering plants with evergreen foliage, such as Lavender, Rosemary, and Salvia, among others.
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.
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.
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.
There are a few bulbs that are winter blooming flowers. Dainty and delicate, snowdrops (Galanthus) are true spring harbingers. No bigger than a dandelion, they bravely push through snow and even ice to grace the garden with their dangling white bell blooms.
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.
The hydrangea blooming season depends upon the type and cultivar as well as your planting zone. Most new growth hydrangeas put on buds in early summer to bloom in the following spring, summer and early fall seasons. In hot climates, hydrangeas may stop blooming in the heat of summer, but will rebloom in the fall.
Perennials are a flower garden's backbone, providing beautiful color, texture and form. They are easy-care, dependable performers that come back every year. They also are: Uncommonly colorful thanks to foliage and/or flowers.
Flowers available year-round
Though some flowers are found at specific times of the year, there are some not particularly affected by changing seasons, such as alstroemeria, anthurium, aster, bourvardia, carnation, chrysanthemum, gerbera daisy, lily, and Asiatic lilies.
Pansies. Remarkable as a winter plant, Pansies can survive freezing coldness and can thrive vigorously when summer returns. Its “smiling face” flowers are vibrant in color and fragrance that can fill up your space with so much joy.
Japanese yew (Taxus cuspidata) is a good choice for an outdoor winter plant because it's an evergreen that keeps its leaves on its branches all winter long. It's drought-tolerant and thrives in both full and partial sun. Hardy to Zone 4, Japanese yews can survive harsh winters.
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.
The titan arum grows in the wild only in the equatorial rainforests of Sumatra, Indonesia. It was first scientifically described in 1878 by Italian botanist Odoardo Beccari.
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.
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.
Amorphophallus Titanium (Corpse Plant): The Largest Flower in the World Only Blooms Every 40 Years. This article is about the largest flower in the world, the Amorphophallus titanium. It is also called the "Corpse Plant" because of its bad odor. This special flower only blooms once every 40 years.
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.
Dubbed the 'corpse flower', Titan arum (Amorphophallus titanum) stinks of rotting flesh when in bloom.