Flowers that start with K

Beautiful Flowers That Start With K 

Did you know that various flowers start with K? Some of these blooms are perennial, meaning they come back every year after dormancy, while others are annual. Some of the annuals have a habit of dropping seeds, making them grow as regular perennials. While some are wildflowers, others are ideal for growing in your home garden with minimal maintenance. 

Here are some gorgeous flowers that start with K that grace the land in different seasons. 

  • Kaffir lily (Clivia miniata)
  • Flaming Katy (kalanchoe)
  • King’s spear (Asphodeline lutea)
  • Red hot poker flower (kniphofia ‘Percy’s Pride’)
  • Kyushu Meadow Rue (Thalictrum kiusianum)
  • Kiss me not flower/Christ thorn (Euphorbia milii)
  • Widor flower (Knautia Macedonica)
  • King Protea flower (Protea cynaroides)
  • Field scabiosa flower (knautia arvensis)
  • Kobus Magnolia flower (Magnolia Kobus)
  • Keli flower (Canna spp.)
Flowers that start with K
Kaffir Lily

Is There a Flower Named Kay?

The “kay” flower, also called Iris lovely kay (Camellia japonica ‘Lady Kay’) or lady kay, is a perennial famous for its gorgeous orchid pink shade. It is an impressive grower that can grow up to 32 inches tall above attractive sword-like foliage. It bears elegant blooms that merge readily with many color themes. 

Here are some fantastic facts and growing conditions for this flower.

  • It is easy to grow with average maintenance, and it is resistant to deer and rabbits. It becomes drought-tolerant after establishment.
  • It does best in well-drained soil rich in humus with a neutral or acidic pH and medium moisture. Best prefers loam or sand
  • It blooms best in full sun
  • Under the right conditions, it attains a mature size of 2 to 3 feet in height and 1 to 2 feet spread
  • It bears flowers from late spring to early summer
  • It is excellent for beds and borders, wall-side borders
  • The best planting period is July through September. 

Annual Flowers That Start With K

Annual flowers complete a life cycle within one growing season, unlike perennials which come back each year. But some annuals that have a habit of dropping seeds may be mistaken for perennials since they regrow from the seeds. Here are some spectacular annuals that start with K.

1. Kangaroo Paw (Anigozanthos sp.)

It is an evergreen rhizomatous annual native to Australia that flaunts fans of strap-like leaves. The vibrant flowers grow in large clusters at the end of leafless stalks. The flowers come in incredible pink, red, orange, purple, or yellow shades. They are tubular with velvety hair and curved tips, making them resemble a kangaroo paw. 

Here are the growing requirements and must know facts about the kangaroo paw.

  • They are famous for their habit of color variation with temperature. The color becomes more intense in low temperatures; so, the same kangaroo paw variety can display different flower shades in a different environment.
  • It requires low maintenance and low to moderate watering.
  • It appreciates mostly well-draining sand or loam with a neutral or acidic pH and blooms best in full sun.
  • It can attain a mature size of 1 to 6 feet tall and 1 to 3 feet wide.
  • Under the right conditions, it will enjoy a long blooming season from late spring throughout summer to fall.
Exotic flowers that start with K
Kangaroo Paw

2. Kiss-me-over-the-garden-gate (Polygonum orientale)

It is an impressive annual popular for its many clusters of lovely flowers dangling from the ends of the long stems. It is a seed dropper and can recede from the fallen seeds more than once.  

Here are interesting facts about Kiss-me-over-the-garden-gate.

  • Its mature size is 3 to 8 feet in height, and up to 2 feet spread
  • It flaunts blue or green foliage and pink or white blossoms
  • It blooms in summer and fall in full sun exposure
  • It is a low-maintenance plant excellent for cut flower arrangements and growing in containers
  • Most growers love it for privacy
flowers starting with K
Kiss-me-over-the-garden-gate in bloom

3. Kalanchoe (Kalanchoe sp.)

It is commonly known as the Christmas kalanchoe or flaming Katy, and it is native to Madagascar and shares a close relation to the jade plant. The genus includes over 100 species with only a few being grown in gardens. The following are some of its interesting facts and growing conditions. 

  • It is a succulent plant with a mature size of 6 to 18 inches in height and width
  • It does best in hardiness zones 10 to 12
  • It performs well in well-draining sandy soil with an acidic pH (5.8 to 6.3)
  • It loves full sun, but it can survive partial shade
  • It boasts of red, white, yellow, pink, or orange blossoms
  • It requires six weeks of 14-hour nights to bloom in varying seasons
  • It is toxic to pets and non-toxic to humans
Succulents starting with K
Pink Kalanchoe in bloom

4. Kiss Me Not Flower (Euphorbia milii)

It is also called the crown of thorns or Christ’s thorn plant. It is a succulent annual native to Africa. It is famous for its ability to bloom almost all year round, even as an indoor plant. It has bright green leaves that grow along the new stems.

It bears tiny green flowers with showy red, orange, yellow, pink, or white bracts. It can grow as a house flower or a woody plant, enjoy similar room temperature as humans, and tolerate low humidity.

  • It is best in hardiness zones 9-11.
  • It prefers well-drained soil with a neutral to acidic pH.
  • It loves full sun but can withstand some shade.
  • Its mature size outdoors is 3 to 6 feet tall and up to 2 feet indoors.
  • It flowers in spring, summer, fall, and winter.
  • It is poisonous to pets and humans.
Flowers starting with K
Kiss Me Not Flower (Euphorbia milii)

5. Widow flower (Knautia Macedonica)

It is an annual plant, but it can grow as an herbaceous perennial in some climates. It has green foliage and incredible pink to deep-red flowers. It is a creeping plant with a long blooming season.

  • It is native to central Europe.
  • It is excellent in hardiness zones 5 to 9.
  • It performs well in well-drained, moderately fertile soil with a neutral to alkaline pH and blooms best in full sun.
  • It grows 1 to 3 feet in height and spreads 1 to 2 feet, and blooms in summer.
Flowers that start with the letter K
Widow Flower (Knautia)

Is Kiss Me Over the Garden Gate Invasive?

It is a receding plant that is invasive in some states like the southeast US. It is large, growing up to 6 feet tall. It boasts of blue or green foliage and lovely pink or white blossoms. Its origin was China before spreading and becoming popular in the United States. Despite its beauty, the plant is quite toxic, especially the seeds.

Perennials That Start With K

If you are looking for some beauties that come back every year, you will find most starting with K. Some are perfect garden flowers while others are wildflowers. Below are some flowers that start with K.

Common name Botanical name Details
Kaffir lily Clivia miniataIt bears trumpet-shaped blossoms with a yellow center and orange petals from spring to summer. Other flower shades include red, white, and yellow.
Kiwi flowers Actinidia kolomiktaIt is a fast-growing, attractive vine with lovely leaves and edible kiwi fruit. It blooms in spring with white or green flowers.
Little maid poker plant Kniphofia ‘Little Maid’It has clumps of narrow leaves adorned with spikes of light-yellow blossoms. They open from greenish to white buds and fade in cream. It blossoms in late spring and early autumn.
King protea Protea cynaroidesIt is South Africa’s national flower. It blooms in winter and spring, from June to October. 
Christmas kalanchoe  Kalanchoe It can bloom almost all year round in its native conditions. It blossoms from late winter to early spring as a container house plant.
Kangaroo paw AnigozanthosIt is a long bloomer; it blooms from late spring to fall.
Perennials That Start With K
Perennials That Start With K

What Is Kangaroo Paw Good For?

Kangaroo paw flower has more amazing benefits besides decorating your garden. It is most famous as a skincare remedy. 

  • It accelerates the skin’s renewal process. 
  • It corrects wrinkles and fine lines and firms the skin. 
  • It is a skin hydrator and brightener.

Many companies for beauty products use this flower to manufacture various hydrating, moisturizing, and skin repair creams. 

How Long Does Kalanchoe Last?

A kalanchoe plant keeps growing as long as it has the right conditions and nutrients. It can last up to 6 to 7 years. It takes approximately six weeks of care for the plant to start blooming, and the flowers last up to 6 months. 

Spring Flowers That Start With K

Spring would never appear livelier without the wild beauties and gorgeous flowers in the gardens. There are various shades of spring flowers that start with K. Here are some of them.

  • Kerria yellow shade flower (Kerria japonica)
  • Ivybush or spoonwood flower (kalmia)
  • Beautybush (Kolkwitzia amabilis)
  • Tick bush (kunzea)
  • Kangkung flower (Ipomoea aquatica)


Flowers Beginning with K (UK)

Flowers that start with K (UK)
King Solomon’s Seal

If you are looking for gorgeous blossoms in the UK, some begin with K. Some are annuals, while others are perennials that will bloom in different seasons. 

  • Keeled garlic flower (Allium carinatum)
  • King Solomon’s seal flower (Polygonatum)    
  • Kidney vetch (Anthyllis vulneraria)
  • Kohlrabi (Brassica oleracea Gongylodes)
  • Korean rock fern (Polystichum tsus-simense)
  • Kotschy’s crocus (Crocus kotschyanus)
  • Korean mint (Agastache pallida x rugosa ‘Globetrotter’)
  • Kentia palm (Howea forsteriana).

Other resources related to flowers that start with K:

15 Flowers That Start With K (List of Flower Names K)

Flowers that start with letter K

19 Flowers That Start With K – Beautiful, Spring, Perennials

Flowers That Start With K (Including Pictures) – 14 Of My …

Clarisse Walters
Essential Garden Guide