Tall Plants With Red Flowers

Tall plants with red flowers, like torch lilies or certain cannas, create dramatic vertical accents in landscape design. They draw the eye upward and add a layer of vibrant color that can define a garden space. If you want to make a bold statement in your yard, these are the plants to consider.

This guide will help you choose, grow, and care for the best tall red flowering plants. We will cover popular varieties, planting tips, and design ideas to make your garden stunning.

When planning a garden, height is a crucial element. Tall plants with red flowers serve as natural focal points. They can hide unsightly views, frame a property line, or provide a backdrop for shorter plants.

The color red itself is powerful and energizing in a landscape. It attracts attention and can make a space feel warmer and more inviting. Combining height with this bold color creates a gardening feature that is hard to ignore.

Benefits Of Incorporating Tall Red Flowering Plants

There are several practical and aesthetic reasons to add these plants to your landscape.

Vertical Interest: They break up flat garden beds and add structure.
Wildlife Attraction: Many tall red flowers, like bee balm, are excellent for attracting hummingbirds, butterflies, and bees.
Privacy and Screening: They can form a living screen for patios or pool areas.
Seasonal Drama: They often provide late-summer to fall color when other plants fade.

Considerations Before You Plant

Before you buy your first plant, take a moment to assess your garden’s conditions. This will save you time and ensure your plants thrive.

Mature Height: Always check the plant’s expected height at maturity to ensure it fits your space.
Sunlight: Most red flowering plants need full sun (6+ hours daily) for the best bloom color and quantity.
Soil Type: Understand your soil’s drainage. Some plants prefer moist soil, while others need excellent drainage.
Hardiness Zone: Choose plants that are perennial in your USDA hardiness zone for long-term success.

Popular Tall Plants With Red Flowers For Your Garden

Here is a detailed look at some of the most reliable and striking tall plants with red flowers. Each has its own unique character and growing requirements.

Red Cardinal Flower (Lobelia Cardinalis)

This native perennial is a magnet for hummingbirds. It produces stunning spikes of intense red flowers on tall, slender stems.

Height: 2 to 4 feet
Sun Requirements: Full sun to part shade
Soil: Prefers consistently moist, even wet, soil. Ideal for rain gardens or pond edges.
Bloom Time: Mid-summer to early fall

Torch Lily (Kniphofia)

Also called red hot poker, this plant has unique, torch-like flower spikes that start red and often fade to orange or yellow. It’s a fantastic architectural plant.

Height: 3 to 5 feet
Sun Requirements: Full sun
Soil: Needs well-drained soil. Does not tolerate wet winters well.
Bloom Time: Late spring to early fall, depending on variety

Canna Lily (Canna Spp.)

Cannas offer a tropical look with large, often colorful leaves and bold red flowers. They grow from rhizomes and can be quite fast-growing.

Height: 4 to 6 feet (some dwarf varieties are shorter)
Sun Requirements: Full sun
Soil: Rich, moist soil. They are heavy feeders.
Bloom Time: Summer until frost

In colder zones, canna rhizomes need to be dug up and stored indoors over winter, which is a key consideration for their care.

Scarlet Bee Balm (Monarda Didyma)

Bee balm forms clumps of tubular red flowers that look like fireworks. The foliage has a delightful minty fragrance when crushed.

Height: 2 to 4 feet
Sun Requirements: Full sun to part shade
Soil: Prefers moist, well-drained soil. It can be prone to powdery mildew if air circulation is poor.
Bloom Time: Mid to late summer

Red Oriental Lily (Lilium Orientals)

These classic bulbs produce large, fragrant, upward-facing flowers. They are excellent as cut flowers and make a strong statement in the garden.

Height: 4 to 6 feet
Sun Requirements: Full sun to light shade
Soil: Well-drained, fertile soil. Bulbs must not sit in water.
Bloom Time: Mid-summer

Crocosmia ‘Lucifer’

This plant features arching sprays of vibrant, fiery red flowers above sword-like foliage. It naturalizes well, forming impressive clumps over time.

Height: 3 to 4 feet
Sun Requirements: Full sun to part shade
Soil: Well-drained soil. It is drought-tolerant once established.
Bloom Time: Mid to late summer

Japanese Anemone (Anemone Hupehensis)

While often seen in pink, varieties like ‘September Charm’ offer beautiful red-tinted flowers. They bloom in late season when many other perennials are finished.

Height: 2 to 4 feet
Sun Requirements: Part shade (especially in hot climates)
Soil: Rich, moist, well-drained soil.
Bloom Time: Late summer to fall

How To Plant And Grow Tall Red Flowering Plants

Success with these dramatic plants starts with proper planting and ongoing care. Follow these steps to give your plants a strong start.

Step 1: Site Selection And Preparation

Choosing the right location is the most important step. Match the plant’s needs to the conditions in your garden.

Test your soil’s drainage by digging a hole and filling it with water. If it drains within a few hours, drainage is good.
Amend the soil with compost or well-rotted manure to improve fertility and structure. Most plants appreciate this.
Check the sunlight pattern in the area throughout the day to ensure it meets the plant’s requirements.

Step 2: Planting Techniques

Proper planting encourages healthy root development.

Dig a hole twice as wide as the plant’s root ball but no deeper.
Gently loosen the roots if the plant is pot-bound.
Place the plant in the hole, ensuring the top of the root ball is level with the surrounding soil.
Backfill with the amended soil and water thoroughly to settle the roots.

Remember to space plants according to their mature width to ensure good air circulation, which helps prevent disease.

Step 3: Watering And Fertilizing Schedule

Newly planted specimens need consistent moisture. After establishment, watering needs vary.

First Season: Water deeply 1-2 times per week, depending on rainfall.
Established Plants: Water during prolonged dry spells. Plants like cardinal flower need more consistent moisture than drought-tolerant torch lilies.
Fertilizing: Apply a balanced, slow-release fertilizer in early spring. Avoid high-nitrogen fertilizers, which can promote leafy growth at the expense of flowers.

Step 4: Staking And Support

Many tall plants benefit from support to prevent them from bending or breaking in wind or rain.

Install supports early in the season when plants are small.
Use bamboo stakes, grow-through grids, or single-ring plant supports.
Tie stems loosely with soft garden twine, allowing room for growth.

Proper spacing and pinching back some plants in early summer can also encourage sturdier growth that requires less staking.

Design Ideas Using Tall Red Flowering Plants

Knowing how to place these plants will maximize their impact in your garden design.

Creating A Focal Point

Use a single, spectacular plant as a centerpiece. A large clump of red cannas or a grouping of torch lilies at the end of a path naturally draws the eye.

Building A Dramatic Border

Place tall red plants at the back of a mixed flower border. This creates a layered look. In front of them, use medium-height plants with complementary colors, like yellow coreopsis or purple salvia, and finish with low-growing ground covers at the front.

Designing A Hummingbird Garden

Combine several red flowering plants to create a hummingbird haven. Plant red cardinal flower, bee balm, and red penstemon together. Add a simple water feature for drinking and bathing to make the space even more attractive to wildlife.

Companion Planting Suggestions

Red flowers pair beautifully with many other colors.

With Silver Foliage: Try artemisia or lamb’s ear. The silver cools down the intensity of the red.
With Purple Flowers: Russian sage or veronica create a rich, regal contrast.
With White Flowers: Shasta daisies or phlox help brighten the planting and make the red pop even more.

Common Problems And Solutions

Even with the best care, you may encounter some issues. Here’s how to address common problems.

Pest Issues

Aphids and spider mites can sometimes be a problem, especially on stressed plants.

Solution: A strong spray of water from a hose can dislodge many pests. For persistent issues, use insecticidal soap according to label directions.

Disease Prevention

Powdery mildew and rust are fungal diseases that affect plants like bee balm.

Solution: Ensure proper spacing for air flow. Water at the base of plants, not on the leaves. Choose disease-resistant varieties when available.

Lack Of Flowering

If your plant is growing leaves but no flowers, a few factors could be the cause.

Too Much Nitrogen: This promotes green growth over flowers. Switch to a fertilizer with a higher middle number (phosphorus).
Insufficient Sunlight: Most flowering plants need ample sun to bloom well. Consider moving the plant if its in too much shade.
Improper Pruning: Some plants bloom on old wood, others on new wood. Research your specific plant’s pruning needs to avoid cutting off flower buds.

Seasonal Care Checklist

A simple seasonal guide will help you keep your tall red plants healthy year-round.

Spring

Remove winter mulch after the last frost.
Apply slow-release fertilizer.
Divide overgrown perennials.
Set up plant supports.

Summer

Water deeply during dry periods.
Deadhead spent flowers to encourage more blooms on some plants.
Monitor for pests and diseases.

Fall

Plant new perennials or bulbs.
Cut back dead foliage after the first hard frost, but consider leaving some seed heads for winter interest and bird food.
Apply a light layer of mulch after the ground freezes to protect roots.

Winter

Plan for next year’s garden.
Order seeds or catalogs for spring.
In cold zones, ensure tender bulbs like cannas are stored properly indoors.

Frequently Asked Questions

What Are Some Tall Plants With Red Flowers That Bloom All Summer?

Canna lilies and some varieties of torch lily (Kniphofia) are known for their long blooming period, often providing color from early summer right up to the first frost. Deadheading spent flowers can help prolong the bloom time for many plants.

Which Tall Red Flowering Plants Are Best For Shady Areas?

While most prefer full sun, some options for part shade include the Red Cardinal Flower (Lobelia cardinalis) and certain red Astilbe varieties. They will not bloom as profusely in deep shade but can still perform well in dappled light.

How Do I Keep My Tall Red Flowers From Falling Over?

Staking is the most direct solution. Install supports early in the season. Also, choose naturally sturdy varieties and avoid over-fertilizing with nitrogen, which can cause weak, leggy growth that is prone to flopping.

Can Tall Plants With Red Flowers Grow In Pots?

Yes, many can. Choose large, heavy containers with good drainage. Dwarf canna varieties, smaller torch lilies, and crocosmia can work well in pots. Use a high-quality potting mix and be prepared to water and fertilize more frequently than plants in the ground.

Are There Deer-Resistant Tall Red Flowering Plants?

Deer tend to avoid plants with strong fragrances, fuzzy leaves, or toxic properties. Good options include red foxglove (Digitalis), torch lily (Kniphofia), and most ornamental grasses with red flowers or seed heads. Remember, no plant is completely deer-proof if food is scarce.

Adding tall plants with red flowers to your garden is a sure way to create a memorable and dynamic landscape. By selecting the right plants for your conditions and providing basic care, you can enjoy their dramatic beauty for seasons to come. Start with one or two varieties that catch your eye and build your garden’s vertical interest from their.