Flowers That Start With R

Here are the different types of flowers with names that begin with the letter R. With an emphasis on common and easy-to-grow varieties.

Rainbow Cactus

The Rainbow Cactus, otherwise known as the Arizona Rainbow Cactus is found in the desert regions of the Southwestern United States and Mexico.

Rainbow Cacti require very little care and can even handle neglect well once they become established.

It produces bright pink flowers.

Rainbow Cactus (Echinocereus Pectinatus)

Rain Lily

A rain lily plant is a good addition to every garden.

They are easy to grow, can take time before they flower, and so are rewarding for their beauty when they do bloom. They have beautiful shaped flowers which are white or pink in color.

Rain lilies need plenty of sun but will also flower if given some shade.

They also need a rich soil mix and a pH in the 5.5 to 7.0 range, or slightly acidic to neutral. Rain lilies do not like alkaline soil conditions.

They tend to bloom after heavy rainfall. 

Rain Lily. (Zephyranthes). Amaryllis Family.


The Rampion flower is an attractive-looking plant that’s also known as Rampion bellflower or Rampion campanula.

Rampion flowers are native to the mountainous regions of Europe, although Rampion cultivation for food purposes has spread throughout the entire world.

Rampion flowers are annual plants, and they grow between 2 and 40 inches tall.

These plants feature long, slender stems with five-petaled bell-shaped purple or pink flowers at the top.

Rampion (Campanula rapunculoides)


The Ranunculus flower is also known as the Buttercup and can be found in many colors such as yellow, red, orange, and white.

Ranunculus flowers are usually small in size and have a thin stem. Ranunculus flowers are found in Europe, Asia, North America, Australia, and South Africa.

The Ranunculus flower is known for its beauty when it blooms but it also has medicinal uses.

They generally have a long vase life.

Ranunculus. (Persian Buttercup).

Rattlesnake Master

The Rattlesnake Master flower is a wildflower native to North America.

It can be described as an erect perennial that grows 4-5 feet tall on rigid stems.

It is an aggressive self-seeder.

In order to prevent this from happening, the seed heads need to be removed.

Rattlesnake master (Eryngium yuccifolium)

Red Campion

The Red Campion flower is a wildflower native to Europe and western Asia. The Red Campion flowers are available in white, pink, pale red, deep purple-red.

Red Campion flower has a long blooming period in early summer when most birds are nesting all across Europe.

Red Campion flowers are pollinated by small insects like bees, moths, and beetles.

Red campion (Silene dioica “Clifford Moor”)

Red Twig Dogwood

Red Twig Dogwood is a shrub that produces creamy-white flowers during the spring along with berries that will transition from green to white by the end of fall. 

However, it is the stems of the red twig dogwood that are desired; they start out green in spring and summer and will transition into a ferocious red as their foliage drops off in autumn.

red twig dogwood

Red Valerian

Red Valerian is also known as spur valerian, kiss-me-quick, fox’s brush, devil’s beard, and Jupiter’s beard.

It is a popular garden plant grown for its ornamental flowers.

There are red, white and pink kinds of red valerian.

Red valerian (Centranthus ruber)

Rock Rose

Rock Rose flowers are large, bright-pink-flowered plants that are very easy to grow.

Rock Roses have a sturdy growth habit and can be planted almost anywhere in any garden.

Rock Rose. (Cistus incanus).


Flowers That Start With R
Rondeletia. (Bedstraw Plant). Rubiaceae Family.


A rose is a perennial flowering plant or the name of the flower it bears.

Roses can be erect shrubs, climbing, or trailing, with stems that are often armed with sharp prickles.

They have beautiful flowers which range in color from white through various tones of yellow and pink to dark crimson and maroon.

Rose. (Rosaceae Family).

Rose of Sharon

The Rose of Sharon attracts hummingbirds and butterflies and is used in landscaping, from borders, hedges, and screens to single specimen plants.

It’s not actually a member of the Rosaceae Family but a Hibiscus in the Mallow family. It’s one of the many different types of hibiscus flowers.

Rose of Sharon. (Hibiscus syriacus).


Rudbeckia. (Black-Eyed Susan).


Rue is a perennial herb that grows as a shrub or small tree, reaching about 1-3 m tall.

Rue has been cultivated for over 3,000 years for its uses as an aromatic condiment, medicinal herb, ornamental flower, and insect repellant.

Rue (Ruta graveolens)

Russian Sage

Russian sage , Perovskia atriplicifolia, is an herbaceous perennial that belongs to the mint family.

Russian Sage grows from two to four feet in height and has a width of one foot.

It flowers in late summer through fall. Russian Sage is a host for the black swallowtail butterfly.

This perennial needs full sun and well-drained soil. It can be pruned to maintain its shape or it can be allowed to grow around bush with no pruning at all.

Russian sage (Perovskia atriplicifolia)

Rainbow Cactus

Rainbow Cactus



Red Buttons Opuntia

Red Buttons Opuntia

Red Torch Cactus

Red Torch Cactus

Redvein Enkianthus

Redvein Enkianthus

Regal Geranium

Regal geranium

Rex Begonia

Rex Begonia

Rhipsalis Neves Armondii



Rusty Foxglove

Rusty Foxglove

Roundleaf Liverleaf

Roundleaf Liverleaf

Rosinweed Sunflower

Rosinweed Sunflower



Rose Mallow

Rose mallow is a beautiful flower from the Hibiscus family. Rose mallows are resistant to high heat and drought conditions, making them an ideal plant for those who want color in their gardens but don’t want to be constantly watering.

Rose mallows come in many different colors, ranging from pink to red or white.

Rose Mallow

Roof Iris

Roof iris

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