Plants starting with K are a keen way of adding some beautiful plants into your garden. So many beautiful plants help inspire the names of new babies, stores, and even businesses.

7 Plants Starting with K

If you were searching for some flower name inspiration and would like to go through a list of plants starting with the letter K, you’re in luck! We have listed our top favorite flowers and plants starting with the letter K that will help you find what you’re looking for.

A List of Plants That Plants Starting with K

1. Knautia Macedonica

The beautiful Knautia genus plant isn’t a plant for the fussy gardener because it can intrude on other parts of your garden thanks to its towering stems and vast spread. However, it has a very long flowering season, from early summer to fall. 

Knautia Macedonica Purple Flower

– Features

It produces intriguing and lovely pink to deep-red blossoms that resemble pincushion shapes, with green foliage at the plant’s base and climbing its stem

Once they have bloomed, they are removed to make room for fresh flowers. Knautia Macedonica is a short-lived blooming plant that resembles scabiosa and has purple to scarlet flowers.

– Characteristics

This plant, a scabiosa family member, draws butterflies but repels deer. Knautia Macedonica is one of the best annual flowers that start with K.

It is a flowering plant that is easy to look after and is both an annual and a short-lived perennial, growing two feet tall and spreading two feet wide. From July to September, these flowers are in bloom during the summer and fall seasons.

– Care

Knautia prefers well-drained soil and thrives in regions with warm summers and cool evenings. The flowers don’t stay as long as some other flowering plants, but if you deadhead them, they will come back in profusion, giving you plenty of new flowers to admire. 

Note that it may be converted to container planting and is a suitable choice for a garden bed because of its compact but full character.

– Light

Knautia is a perennial that prefers full sun, so place it properly in a place where it will receive sun. This blooming plant, which has a wild and unruly appearance, doesn’t grow well inside or under artificial light, so you cannot place any to grow them indoors.

– Soil

Knautia and other drought-tolerant plants favor well-drained soil. For this plant to truly thrive and to prevent issues like root rot, the ground should be normal to dry. These plants may grow in either alkaline or acidic soil, although neutral or alkaline soil is what they prefer.

– Water

When it comes to watering Knautia, little is more. Watering this plant too much or too frequently is one of the surefire ways to kill it. It thrives in average-to-dry soil, so limit your watering routine to prevent drowning. 

However, once it is established, it typically doesn’t require daily watering; test the soil’s moisture content by sticking your finger close to the roots. If it is absolutely dry, proceed to water the plant until the moisture reaches a depth of about two inches.

2. Kaffir Lily 

Next on our list of house plants that start with K, The Kaffir lily, also known as Clivia miniata and Fire Lily, is a member of the Amaryllidaceae family and is indigenous to South Africa.

Kaffir Lily orange bouquets

– Features

Above a robust, erect stem, trumpet-shaped flower clusters of 10 to 15 bloom. Shiny, deep-green, strappy leaves can be up to 18 inches long and two inches wide like the polygonum oriental.

In addition, the bright orange flowers bloom intermittently throughout the rest of the year, primarily from early spring to summer. Hybrids can have yellow flowers and larger, thicker stems and leaves.

– Light

Because they love slightly shaded environments, these Kaffir lilies make excellent houseplants. This means that if you grow your plant indoors all year, put it in a window with plenty of light, and it will thrive. On the other hand, if you decide to place your plant outdoors during the summer, choose a position that receives morning or dappled sunshine.

– Water

These beautiful lilies require mild water, so you must reduce watering to keep the soil short of bone-dry during the early winter dormant phase. Remember that as you water it in the summer season, when the weather is hot, the soil should be moist as you touch it, but not wet and soggy. 

– Soil

For a fire lily plant to be healthy, good drainage is essential, with a pH that ranged between 6.1 all the way to 7.8. A thick soil mixture rich in shredded bark, similar to those used for orchids, is ideal for a plant planted in a container. Another nice option is a sandy cactus mixture. You must add organic soil, this is a key to seeing it thrive.

3. King Protea

Next on our list of shrubs beginning with K, The Protea genus, which belongs to the Proteaceae family, contains more than 1,000 species, one of which is the King protea. Consider adding protea plants to your outdoor area if you are an experienced gardener living in a warm, dry region. 

King Protea Big White Bloom

These evergreens can grow tall as trees or low as shrubs depending on the variety. Large clusters of goblet-shaped blooms with fluffy centers and spiky bracts surround them as they bloom. Be warned that protea seeds, nectar, and blooms poison people and animals.

– Light

Give plants plenty of airflow and direct sunlight; the more sunlight, the more blossoms will grow. You can place it in a spot where it will receive light and it will thrive.

– Water

Water frequently plants as they begin to establish themselves. Just every two to three weeks, it should be established plants be watered. When the weather is dry and the plant is around a year old, water it once a week when it starts to set buds and blooms.

– Soil

The soil must drain extremely well for protea plants. They may grow in nearly any sandy, rocky, or loamy soil if the drainage is good.

The plants are perfect for a rocky garden area since their roots can spread horizontally below the soil surface. Make sure water doesn’t stick to the surface of the soil because if it does, the roots will develop fungi.

4. Keli Flower 

A Canna Lily of Keli flower is a genus of gorgeous, easy-to-grow showy flowers that resemble kiwi flowers. Red, pink, yellow, and orange are most common for this perennial. Their flowers are extremely eye-catching and showing and can attract hummingbirds too. 

Keli Flower with Yellow Buds

– Features

Keli flowers are one of the most popular perennials that start with K and have long and wide leaves, almost like banana leaves, and come in green, bronze, or multicolored patterns. Most cannas can grow up to six feet tall, some as tall as eight feet if it is given the ultimate care.  

– Light

Keli flowers will thrive under full sun and blossom vibrant flowers and leaves. However, they can survive in partial shade, too, like the king’s mantle. 

– Water

Ideally, it would help if you watered your keli flowers once or twice a week at max. The soil is to be kept uniformly damp, but remembers not to make it overly soggy, or else it will cause damage in the long run to the roots.

– Soil

Keli flowers will do exceptionally well in various soils that have proper drainage. Soils that are rich with a pH of approx. 6.5 is ideal for it to grow. 

5. Kangaroo Paw Flower 

Kangaroo paw is a genus of about eleven species and multiple subspecies of flowering perennials native to Australia. Kangaroo paw flowers have long and slender arching leaves that have similar foliage to daylilies.

Kangaroo Paw Flower with Orange Blossom

– Characteristics

Kangaroo paw flowers are known for being a resilient variety that can thrive in the ground or a container with proper care. 

– Light

The Kangaroo paw flower prefers full sun and will blossom beautifully with it. Give this plant at least six hours of direct sunlight for proper growth. 

– Water

Kangaroo paw plants enjoy moderate amounts of soil moisture which means you may mist it a little if it feels dry after you have watered it, though they are shown to be hardy as well when it comes to drought tolerance. Just beware of soggy soil, as it can cause quick rot and kill your entire plant.

– Soil

Their optimum growing medium is sandy soil with a pH between 5.8 and 6.5, but kangaroo paws will withstand a wide range of soil types as long as there is excellent drainage so that no water would stay at the top.

6. Kerria Japonica

Japanese kerria is a five-petalled deciduous blooming shrub that resembles an old-fashioned rose and has birch-like leaves. It is one of the most popular spring flowers that start with K. 

Kerria Japonica with yellow petals

– Characteristic

It flowers in the spring and occasionally blooms once again in the later summer time. A single or double blossom can be formed from it. Despite being in the same family as common garden roses or the Rosacea, it is in a separate genus. However, the Kerria rose is one of the uncommon flowering shrubs that thrive in full to some shade.

– Light

For the maximum bloom output, grow this bush in partial to complete shade. It is one of the deciduous blooming shrubs similar to euphorbia milii that tolerate shade the best similar to kolkwitzia amabilis. The hue of flowers quickly fades when exposed to excessively intense sunshine.

– Water

Japanese rose bushes require routine watering, but avoid overwatering, especially in heavier soils. This shrub can withstand drought for brief periods. Overall, you must water it an inch every week and it will be blooming.

– Soil

Loamy soil is preferred by Japanese roses, which are not excessively picky about soil pH. Don’t plant it in soil with a lot of clay. Although it can handle low soils, it performs best in soils enhanced with organic matter. Although the soil should be kept evenly moist, it dislikes very wet conditions. Mulching the soil lightly will assist in maintaining soil moisture.

7. Kalmia Latifolia 

Kalmia latifolia, or mountain laurel, is a multi-stemmed, gnarled, blooming broadleaf shrub with an evergreen growth habit. 

Kalmia Latifolia red pink flowers

– Features

It has lovely spring blooms and is attractive year-round because of its elliptical, glossy, deep-green leaves, which resemble those of rhododendrons and gnarled stems. 

This shrub that prefers the shade bears clusters of rose, pink, or white blooms with purple streaks in late May to early June, during its blooming time. Without deadheading the blossoms, bland brown fruits will develop. Numerous cultivars come in a variety of sizes and bloom hues.

– Light

Because it thrives in part shade, mountain laurel is highly appreciated; nevertheless, deep shade may inhibit flowering and result in leaf blotches. Note that it can withstand direct sunlight. However, the dark-green foliage could turn yellow. 

– Water

You must keep in mind that for the first few weeks, it’s necessary to water a newly planted mountain laurel every three to four days. Give it enough water, so the soil is moist but not drenched.

– Soil

These bushes prefer acidic, well-drained, chilly, damp soil (pH 5.0 to 5.5). Wooded areas close to swampy places are where it naturally occurs, although not in moist ground.


There you have it, folks! A list of beautiful plants that go well in homes and start with the letter K. now, you can come back to this list whenever you wish to add another perennial in your collection that’s name starts with K.

keep in mind the following points:

  • Knautia Macedonica does need a fair bit of light. So, a cooler climate with shorter days and less access to natural light may not be the best environment for it. 
  • Kaffir lily is ideal for those with little access to natural light as it can thrive in shaded environments. 
  • Keli Flowers do perfectly fine in both shaded and full-lit areas. So, most people starting can easily grow this flower! 

So, which of the beautiful plants from above are you going to grow? They all have a keen elegance to them.

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