21 Flowers That Start With R (With Pictures)

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There’s an unlimited number of reasons why growing flowers in your yard is a great idea.

Flowers, for example, will boost the look of your yard and keep you happy whenever you see them.

However, there are so many flowers, and you may not know which one to grow. Some people plant flowers based on recommendations while others plant based on colors.

Have you considered planting flowers based on their initials? For example, if you favor the letter R, you can plant flowers that start with R.

Here are 21 beautiful flowers that start with R:

1. Red Valerian (Centranthus ruber)

How else can you describe something beautiful without using the red valerian plant as an example? This woody perennial plant is just the beauty that you want in your garden or yard.

The beautiful pink to red flowers of red valerian flower grows on long stalks and make the plant stand out in your yard.

These shrubs can reach heights of 2-3 feet and widths of 18-24 inches.

2. Rainbow Hedgehog Cactus (Echinocereus rigidissimus)

You are not wrong if you want a very beautiful cactus in your yard. The thick stem of this beauty has a bright pink color, making it a sight to behold.

Rainbow hedgehog cacti grow up to 12 inches in height and have a diameter of around 5 inches. It produces very beautiful pink flowers when mature, giving your garden a beautiful look.

Mandevilla flower indoor on a windowsill

3. Rocktrumpet (Mandevilla spp.)

Are you looking for an indoor flower? Here is a great idea for you. This beautiful plant will give you brightly colored flowers with colors such as white, yellow, pink, or red.

Though the rocktrumpet flower can stand on its own, you can take its beauty further by growing it on a trellis indoors.

The stem and flower arrangement of this beauty in combination with a beautiful trellis is a marvelous sight to behold.

Pink red rose mallow flowers in the garden

4. Rose Mallow (Hibiscus moscheutos)

This is one popular type of hibiscus that you can grow wherever you want.

Though most hibiscuses are tropical or subtropical, the rose mallow species does not mind growing in cold regions.

It has beautiful flowers with large white or pale pink petals. The perennials grow in large colonies, so they will fill your yard with beauty in no time.

Red Hot Poker flowers blooming in broad daylight

5. Red Hot Pokers (Kniphofia spp.)

If you are looking for a plant that will surely draw attention, this is the perfect one for you.

The red hot poker plant gets its name from the look of its flowers, as the red, yellow, and orange flower clusters are torch-like.

This beauty can grow 3-4 feet tall and 2-3 feet wide in your yard so long as it is growing in the right conditions. It grows quickly, so remember to prune it regularly.

6. Rain Lily (Zephyranthes spp.)

If you have a pond or any body of water in your yard, this is a very beautiful flower that you can grow.

The bright pink flowers with yellow and white centers are just what you need to see daily to stay happy.

The plant prefers a wet and well-drained substrate. This means that if you’d love to grow rain lilies in pots, ensure to water them more often than you’d water your potted plants.

7. Rockcress (Arabis spp.)

Are you a fan of mat-forming or trailing plants? You can grow this beautiful plant wherever you want in your yard. It can even serve as a border plant if you need one.

Rockcresses have beautiful little flowers that usually come in colors such as blue or purple.

The flowers have yellow centers and attract pollinators to your yard. Most often they are seen trailing over rocks at the forefront of garden beds and borders.

8. Rosemary (Salvia rosmarinus)

The rosemary plant is a multipurpose plant, as people grow it either as an herb or for its beauty.

As an herb, the beautiful rosemary plant gives your dishes an irresistible aroma and taste.

The plant can reach heights of 3-5 feet and grow up to 5 feet in width. When in bloom, it gives you beautiful light blue to purple flowers.

9. Rock-Rose (Cistus incanus)

Multipurpose plants are truly the best because while most people see them for their beauty, some see them for other uses.

You can make a very sweet and nutritious tea with rock roses. You can also choose to simply plant them in your yard to enjoy the view.

10. Rattlesnake Master (Eryngium yuccifolium)

Here is a super plant for you.

The rattlesnake master floral plant can help treat victims of rattlesnake bites. If you have deer, rabbits, and other mammals disturbing your plants, the rattlesnake master can also help repel them.

This Central to North American relative of parsleys grows 2-5 feet tall and around 2 feet wide.

You can plant it as a border plant so that other plants in your garden will be safe from mammalian pests.

11. Rose (Rosa spp.)

The rose flower has to be the most popular flower that starts with R. People across the world cultivate roses for their beauty and you aren’t wrong if you want roses in your yard.

Rose flowers can be red, pink, white, yellow, and a wide variety of other colors. The color of roses depends on the cultivar.

However, no matter the color you grow, you’d surely feel proud to have such beauty in your yard.

12. Regal Pelargonium (Pelargonium grandiflorum)

You’d surely get wowed when you see the beautiful hot purple flowers of the regal pelargonium.

The Regal Pelargonium is an elite plant, and you can tell simply by seeing its beautiful flowers. They can be pink, red, purple, white, and even bi-colored.

The flowers have a dark center and white edge. Beautiful plant, right?

13. Russian Sage (Perovskia atriplicifolia)

The Russian sage plant is a very beautiful, medicinal shrub to add to your yard. You can use this herb to make delectable and healthy tea, as it is super nutritious and good for you.

Russian sages have green leaves and purple to green flowers growing on long stalks. These stalks are clumped at the base, making Russian sages good border plants.

14. Rex Begonia (Begonia rex)

If you are looking for the most beautiful plant to grace your yard, here is the beautiful rex begonia for you. Everything about the leaves, from their color patterns to their texture is simply perfect!

This Asian native can grow 12-18 inches tall and wide, making it very fit to grow as a potted plant. You can grow it wherever you want, just ensure that it gets sufficient light to radiate its beauty.

15. Round-Leaved Sundew (Drosera rotundifolia)

Are you looking for weird plants? Consider growing the carnivorous round-leaved sundew. You will surely enjoy growing and looking at this plant.

While the substrate of your plants should stay nutritious and moist, give them insects occasionally so that they can stay healthy and have optimal growth.

16. Roman Chamomile (Chamaemelum nobile)

There’s no way you’d see this plant and not want to grow it in your yard. Look at the beautiful white and yellow leaves. Aren’t they just perfect?

Though Roman chamomiles have a lot of uses, they are mostly grown for their aesthetics. They can reach heights of 3-6 inches.

17. Red Campion (Silene dioica)

Here is a beautiful and low-maintenance plant for you. This beauty originates from Europe and has naturalized in other parts of the world, especially North America and Asia.

The beautiful plant has spoon-shaped leaves and little pink to purple flowers. It is a perennial, so it will grow for a long time in your yard.

18. Restharrow (Ononis repens)

This is both a beautiful and functional plant. The plant is in the bean family, so it helps to add nitrogen to the soil. This means that the other plants growing in your yard have a lot to benefit from your restharrows.

19. Red Osier Dogwood (Cornus sericea)

This is a very beautiful North American native. The shrub has brightly colored red stems that will surely make your visitors stare. This beautiful plant makes an excellent border plant.

The red osier dogwood can grow 6-9 feet tall and 8-12 feet wide. When in bloom, the beautiful dogwood will give you little white flowers.

wet light pink Rose of Sharon in the yard

20. Rose of Sharon (Hibiscus syriacus)

Who doesn’t love the Rose of Sharon or the Hibiscus plant?

The Rose of Sharon is a tropical to subtropical plant that is popular across the world for its beauty, sweet taste, and medicinal value.

Hibiscus tea is a popular tea in many countries. The plant itself is a tall-growing shrub with very beautiful and brightly-colored flowers.

The flowers of this plant are the major ingredients to make hibiscus teas.

21. Rue (Ruta graveolens)

Are you a fan of yellow flowers? You’d love this beautiful herb.

The plant has blue-green leaves and people usually grow it as an ornamental plant because of the color of its leaves.

The beautiful rue is hardy and can grow in dry and hot soils, so if you live in a yard with such unsuitable soils, consider planting rues.

13 Other Flowers That Starts With R

Some other beautiful flowers that start with R are:

Rattlesnake plant (Calathea lancifolia)
Red cranesbill (Geranium sanguineum)
Red ribbons (Clarkia concinna)
Red rover mum (Chrysanthemum morifolium)
Rhododendron (Rhododendron spp.)
Rice flower (Ozothamnus diosmifolius)
Rock soapwort (Saponaria ocymoides)
Royal bluebell (Wahlenbergia gloriosa)
Rebutia (Rebutia spp.)
Red torch cactus (Echinopsis huascha)
Redvein dock (Rumex sanguineus)
Robin’s plantain (Erigeron pulchellus)
Rocky mountain iris (Iris missouriensis)

Final Thoughts

Every flower is beautiful and special. However, there’s surely something unique about flowers that start with R, don’t you think?

These flowers will grow successfully when you grow them in the right conditions. Therefore, always put the growth requirements of your preferred flowers in check before planting them.