Updated at: 09-01-2023 - By: Sienna Lewis

Choosing the ideal perennial can be a challenge, especially if you are new to gardening, because there are so many varieties available. A list of the top 10 Colorado-friendly perennials has been produced for your convenience!

What are the Best Flowers to Grow in Colorado?

There are a wide variety of perennials that thrive in Colorado, including dianthus and Rocky Mountain penstemon as well as oxeye daisies, purple coneflowers, liatris and poppy mallow. Hardy annuals like twinspur, Angelonia and New Guinea impatiens can also be added to your garden to make it even more beautiful.

Habitat Gardening With A Pond In Colorado | High Country Gardens


In the spring and fall, this plant is extremely drought-resistant and can withstand temperatures as low as minus 30 degrees Celsius. Salvia, on the other hand, thrives in the clay-rich soil of Colorado’s most common soil types. Set up your garden in full or partial sunlight. Deadheading dead flowers will encourage new blooms throughout the season, so be sure to do it often.

The following are some of the most important points:

Full Sun to Partially Shaded Area

Soil Type: Loam or Sandy

Xeric to Dry

Bees are drawn to it.


This semi-woody perennial is highly regarded for its fragrant blooms and stunning color, and it thrives in the Rocky Mountain state’s climate. If your soil is compacted clay, consider adding some compost to help it drain better. Lavender thrives in full sun and can withstand some drought. Lavandula, like many of us in this era of social isolation, craves some alone time. Typical spacing for most kinds is 2 to 3 feet apart.

The following are some of the most important points:

The Sun is out in full force.

Adaptable to a Wide Range of Soils

Adaptable to Drought

Butterflies are attracted to it.



From late spring to fall, this plant provides a stunning display in a variety of colors and variations. These hardy flowers can withstand most of Colorado’s harsh weather conditions. They prefer full sun to some shade. If you have a butterfly garden, this is a must-have.

The following are some of the most important points:

Full Sun to Partially Shaded Area

Soil Types: Clay, Loam, or Sandy

Adaptable to Drought

Butterflies are attracted to it.



The viola, which shares many characteristics with the pansy and is a tough tiny plant that blooms even in cold weather, is closely related to the pansy. Once established, it makes an excellent groundcover around trees and shrubs since it self-seeds readily. Sun to partial shade, this plant is tolerant of dry conditions.

The following are some of the most important points:

Full Sun to Partially Shaded Area

Loam and Clay

10 Beautiful Flowers That Grow Well in Colorado – Western Colorado Botanical Gardens


As a ground cover, rock garden, or perennial bed, this plant has a wide range of textures, colors, and sizes to choose from. Most flowers bloom from early summer until the end of September. Most sedums prefer full sun, although some can withstand partial shade. Pollinators such as bees and butterflies will appreciate this.

The following are some of the most important points:

Full Sun to Partially Shaded Area

Soil that is well-drained and ranges in quality from average to rich.

Watering at a Moderate Rate

When Should I Plant Flowers in Colorado?

For high-altitude Colorado gardeners, the greatest time to plant flowers is in the late spring. Planting should be put on hold until June 1st because of the fluctuating weather conditions in the state.

What is the Best Flower to Plant Right Now in Colorado?

Cold-hardy blossoms such as tulips, hyacinth, snapdragons, and alyssum are ideal for planting in the spring months (March to May). As a rule of thumb, the best flowers to plant throughout the summer months (June to August) are those that can handle drought, such as the potato vine and marigolds. Pansies, mums, millet grasses, beautiful peppers, and ornamental kale are some of the greatest flowers to plant in the fall season (September to November).

What Flowers Grow the Quickest?

Plant the fastest-growing flower seeds that take 14 days to germinate and 70 days to flower if you want to enjoy a blooming backyard. Marigolds, nasturtiums, sunflowers, and annual phlox are just a few examples.

What Flowers Say in Bloom the Longest?

Early bloomers including Catmint Walker’s Low, geranium, and bleeding heart are examples of long-blooming perennials. Astilbe, black-eyed Susan, and the purple flame grass are some of the other perennials with the longest flowering periods.

Is Greenhouse Gardening a Good Idea?

One of the best decisions you can make is to try your hand at greenhouse gardening. Even though building your own greenhouse may be a significant financial investment, you’ll soon realize it’s well worth it. This will give you a sense of how greenhouse gardening might help you and your plants:

Your plants can grow to their maximum potential

You can grow your veggies, fruits, herbs, and flowers in a greenhouse since it provides the ideal conditions. As a result of the enclosure’s ability to catch the proper amount of heat and moisture, your plants will be able to benefit from the ideal conditions that could help them thrive.

In addition, beneficial insects like ladybugs, lacewings, soldier beetles, braconid wasps, and others can be housed in your home. Because it is easier to raise your plants to their full potential in a greenhouse, you may expect plentiful harvests from your greenhouse gardening efforts.

You can keep destructive insects and animals out

Make sure to remember that plants aren’t the most significant living organisms. Insects and animals that prey on them have little chance of survival for them. With a greenhouse, you won’t have to worry about seasonal bug infestations or rodents that could ruin your growing efforts.

You won’t have to make emergency preparations for inclement weather

The ever-changing weather conditions in conventional outdoor gardens necessitate gardeners to come up with emergency solutions to protect their plants. But if you have your own greenhouse, you won’t have to worry about your plants falling into the hands of Mother Nature. Strong winds, blizzards and torrential rains will not be able to harm them because to the protective enclosure.

You’ll save some money on grocery shopping

You can grow your own food if you have a greenhouse. Regardless of the season, you and your family will always be able to enjoy a wide variety of fresh fruits and vegetables, even those that aren’t in season. This would result in even more money saved at the food store.

You can garden anytime you want

Gardening in a greenhouse allows you to work on your tropical oasis regardless of the weather outside or seasonal changes that occur over the course of the year. Then there are the off-season and non-native varieties of plants you can grow.

You’ll have storage space for all your gardening needs

Your gardening tools, equipment, and supplies can all be stored in a greenhouse. This eliminates the need for a shed in the backyard.

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No need to worry about landscaping issues

If you prefer greenhouse gardening to regular outside gardening, you won’t have to worry about landscaping costs or problems. All kinds of greenhouses are available, and you can arrange them in any way you choose!

The Best Flowers to Grow in Colorado are Grown in a Greenhouse!

Planting the best flowers in Colorado requires a strong and durable greenhouse constructed from high-quality materials, so invest in one today!