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Dahlias are some of the most stunning flowers you can add to any garden. Their diverse forms and vibrant colors make them a favorite among gardeners and flower enthusiasts alike. Whether you’re a seasoned gardener or a beginner, understanding the different dahlia varieties can help you choose the best ones for your space. In this article, we explore 18 common and rare dahlia varieties worth considering.
By selecting the right dahlia cultivars, we can ensure a beautiful and thriving garden. Each variety offers unique features, from size and color to bloom shape and growth habits. Let’s explore these enchanting flowers and find out which dahlias might be the perfect fit for our gardens.
1. Arabian Night
| Feature | Description |
|---|---|
| Height | 36-48 inches (90-120 cm) |
| Spread | 18-24 inches (30-60 cm) |
| Flower Diameter | 4 inches (10 cm) |
| Flower Color | Deep burgundy, almost black |
| Growing Season | Summer |
| Light Requirement | Full sun |
| Soil Type | Well-drained |
| Watering Needs | Regular, moderate |
The Dahlia ‘Arabian Night’ is known for its deep burgundy petals that almost appear black. This gives the flowers a mysterious and luxurious feel.
It usually grows to 36-48 inches tall and spreads 18-24 inches wide. The flowers are about 4 inches across, making them a standout in any garden.
This variety is perfect for creating dramatic floral arrangements. We can pair it with lighter-colored flowers for a striking contrast.
2. Bishop of Llandaff
| Feature | Description |
|---|---|
| Common Name | Bishop of Llandaff |
| Flower Color | Deep Red |
| Flower Shape | Semi-Double, Slightly Curved Petals |
| Plant Height | Medium to Tall |
| Growth Habit | Bushy, Upright |
| Light Requirements | Full Sun |
| Soil Requirements | Well-Drained, Fertile |
| Special Care | Stake stems, Dig up tubers after frost |
| Native Range | Mexico, Central America |
The Bishop of Llandaff is a striking dahlia variety dating back to 1927. Its deep red, semi-double flowers stand out in any garden. The petals are slightly curved, giving the blooms a unique texture.
This dahlia thrives in full sun and appreciates well-drained, fertile soil. It’s relatively easy to grow and resistant to many common dahlia pests and diseases.
We should stake the stems to support the plant, especially during strong winds. After the first frost, it’s important to dig up the tubers and store them in a frost-free place over winter.
3. Cafe au Lait
| Feature | Description |
|---|---|
| Sunlight | Full Sun to Partial Sun |
| Soil | Well-drained, enriched soil |
| Bloom Size | Large, 8 inches |
| Plant Height | Tall, up to 4 feet |
| Bloom Time | Summer to Fall |
| Use | Cut flowers, garden beds |
Cafe au Lait is a standout among dahlias with its large, fluffy blossoms. Its blooms are often creamy-white with hints of blush, pink, or peach, making it a favorite for weddings and elegant arrangements.
This variety needs full to partial sun and well-drained soil. We recommend planting tubers in the spring after the frost has passed and the soil temperature reaches around 60 degrees F.
Cafe au Lait dahlias can grow tall and require staking to support their heavy blooms. They do well in garden beds and large containers.
4. Thomas Edison
| Attribute | Details |
|---|---|
| Height | 36-48 inches (90-120 cm) |
| Width | 18-24 inches (30-60 cm) |
| Flower Color | Deep Purple |
| Bloom Size | Up to 8 inches (20 cm) in diameter |
| Sun Exposure | Full Sun (6+ hours) |
| Soil Requirements | Fertile, well-drained soil |
| Zones | 9-11 |
The ‘Thomas Edison’ dahlia features striking deep purple blooms. These fully double flowers can reach up to 8 inches in diameter. We often find them towering at heights of 36-48 inches, with a spread of 18-24 inches.
These dahlias thrive in full sun. They require fertile soil with good drainage to flourish. We also recommend staking these tall plants for support, especially during windy conditions.
5. Cornel Brons
| Attribute | Details |
|---|---|
| Flower color | Bronzy-orange |
| Bloom size | 3-4 inches |
| Plant height | 3.5 feet |
| Ideal soil temp | 60°F |
| Best for | Cut flowers, garden beds |
| Bloom season | Summer to frost |
| Weather tolerance | Good |
| Stem strength | Strong |
Cornel Brons is a standout among dahlia varieties. It features perfectly round, symmetrical flower heads. These blooms have a bronzy-orange hue, making them striking in appearance.
The plant is compact and sturdy, growing to about 3.5 feet tall. This makes it ideal for both garden beds and containers. It also has strong stems, which support the blooms well and make them excellent as cut flowers.
Cornel Brons is a prolific bloomer. We can expect a lot of flowers throughout the growing season. They are weather-resistant and have a long vase life, adding to their appeal.
6. Blue Boy
| Name | Blue Boy |
|---|---|
| Type | Decorative Dahlia |
| Color | Lavender and Blue |
| Bloom Time | Midsummer to First Frost |
| Height | 32-48 inches |
| Blossom Size | 3-5 inches |
| Sun Needs | Full Sun to Partial Shade |
| Hardiness Zones | 6 and Higher |
| Origin | Mexican Central Plateau and Highlands |
Blue Boy is a striking variety within the decorative dahlias group. Exhibiting a rare lavender and blue color, it truly stands out among other blooms. The flowers are fully double, meaning they have layers of petals that give them a lush, full appearance.
These plants bloom from midsummer until the first frost in the fall. They can reach a height of about 32 to 48 inches, making them a substantial addition to any garden. Their blossoms are quite large, measuring between 3 to 5 inches.
This dahlia thrives in full sun to partial shade and is hardy in Zones 6 and above. Originating from the Mexican Central Plateau and Highlands, Blue Boy has adapted well to various garden settings. It’s as close to a blue dahlia as you can find, making it a rare and beautiful choice.
7. David Howard
| Attribute | Details |
|---|---|
| Plant Type | Perennial |
| Origin | Central and South America |
| Height | 36″ – 48″ |
| Sun Exposure | Full sun |
| Plant Zone | 6 – 11 |
| Flower Size | 4″ – 6″ |
| Flower Form | Formal Decorative |
| Flower Color | Orange |
The ‘David Howard’ dahlia is one of the most striking varieties. Its vibrant orange blooms are a standout in any garden. The dark, contrasting foliage adds to its visual appeal.
This variety is known for its ease of growth and adaptability. It’s a great choice for both new and experienced gardeners. Floral designers also appreciate its stunning appearance. Its attractiveness and ease of maintenance make ‘David Howard a highly desirable dahlia.
8. Fascination
| Feature | Description |
|---|---|
| Plant Type | Perennial |
| Height | Up to 36 inches |
| Flower Color | Purple-pink |
| Foliage Color | Dark |
| Sun Exposure | Full sun |
| Bloom Time | Mid-summer to fall |
| Ideal Spacing | 18-24 inches apart |
| Plant Zone | 6-11 |
Dahlia ‘Fascination’ is a standout variety known for its semi-double blooms. It has multiple rows of petals surrounding a central disc, giving it a distinctive look. The vibrant purple-pink flowers and dark foliage create a striking contrast.
This variety can bring a dramatic touch to our garden. The dark leaves enhance the bright blooms, making them even more eye-catching. ‘Fascination’ is a favorite among gardeners for its unique appearance.
Growing up to 36 inches tall, it fits well in various garden settings. We can plant it in borders or containers to enjoy its beauty up close. It thrives in full sun.
9. Kelvin Floodlight
| Feature | Description |
|---|---|
| Bloom Size | Up to 12 inches (30 cm) |
| Plant Height | 36-48 inches (90-120 cm) |
| Sun Exposure | Full Sun |
| Soil Type | Fertile, well-drained |
| Watering | Regular, especially in dry periods |
| Season of Interest | Summer |
The Dahlia ‘Kelvin Floodlight’ is a true standout in any garden. Its large, sun-bright yellow blooms can reach up to 12 inches in diameter. These flowers are not just big; they are also very eye-catching. The petals form a beautiful, fully double shape, adding to their impressive appearance.
This variety tends to grow to about 36-48 inches in height, making it a great choice for the back of garden borders. It thrives in full sun and prefers fertile, well-drained soil. Regular watering and occasional feeding keep it looking its best.
One great thing about ‘Kelvin Floodlight’ is how easy it is to grow. Even if you’re new to gardening, you’ll find success with this dahlia. It’s a perfect pick for both seasoned gardeners and beginners alike. Growing ‘Kelvin Floodlight’ in your garden guarantees a burst of bright yellow color that is sure to impress.
10. Honka Red
| Feature | Description |
|---|---|
| Plant Type | Perennial |
| Origin | Central and South America, Mexico |
| Height | 36 inches |
| Sun Exposure | Full sun |
| Plant Zone | 6 – 11 |
| Flower Color | Red |
| Bloom Time | Summer to Frost |
Honka Red is a unique type of Orchid Dahlia. The star-shaped flowers have a simple yet striking appearance. With its narrow petals and open blooms, it adds a touch of elegance to any garden. This variety is known for its vibrant red petals. The blooms provide a contemporary look that contrasts well with more traditional types.
Honka Red thrives in full sun and requires regular watering. The plant grows to about 36 inches tall, making it a good choice for borders or cut flowers. Honka Red is easy to care for and offers a striking addition to any garden with its unique form and vibrant color.
11. Zingaro
| Attribute | Details |
|---|---|
| Botanical Name | Dahlia decorative ‘Zingaro’ |
| Form | Tuber |
| Hardiness Zone | 3-10 |
| Flowering Time | Midsummer to first frost |
| Light Requirements | Full Sun |
| Flower Color | Creamy white, yellow, purple outlines |
| Flower Form | 4.7″ fully double flowers |
Zingaro is a standout dahlia known for its unique coloring and prolific blooming. Its petals transition from creamy white on the edges to a bright yellow center, with purple outlines and a dark berry core. The flowers are fully double and can reach approximately 4.7 inches in diameter.
We find that Zingaro thrives best in well-drained soil and sunny locations. Regular watering is necessary to keep the soil consistently moist but not waterlogged.
It’s important to protect these blooms from strong winds and provide support as they grow. Zingaro blooms start mid-summer and last until the first frost, making it a favorite for extended floral displays.
12. Rip City
| Profile | Details |
|---|---|
| Type | Informal Decorative |
| Flower Size | 4-6 inches (10-15 cm) |
| Height | 3-4 feet (90-120 cm) |
| Color | Black-Crimson |
| Blooming Period | July to Frost |
| Ideal For | Cutting, Borders |
Rip City is an eye-catching dahlia variety with black-crimson petals. This flower has a nearly black heart, making it a standout in any garden. The blooms are fully double and range from 4 to 6 inches across. These flowers grow on long, sturdy stems, making them excellent for cutting.
Rip City dahlias bloom from July until the first frost and can grow up to four feet tall. Their dramatic color makes them a favorite for both garden borders and vases.
13. Mystery Day
| Feature | Description |
|---|---|
| Common Name | Mystery Day Dahlia |
| Flower Color | Purplish-red with white edges |
| Flower Size | 6-8 inches (15-20 cm) |
| Plant Height | 36-48 inches (90-120 cm) |
| Bloom Period | July to Frost |
| Flower Type | Fully double |
Mystery Day is a stunning variety of dahlia. The striking flowers display purplish-red petals edged in white. These blooms are large and fully double, reaching up to 6-8 inches across. The plant itself grows to 36-48 inches tall. It’s a wonderful addition to our garden from July until the first frost.
14. Gitts Perfection
Plant Profile:
- Resistance: Deer Resistant
- Flower Color: Soft Pink, blending to White at the center
- Flower Size: 10 inches
- Plant Height: 3-4 feet
- Best For: Floral Design, Single Stems
- Soil Requirements: Rich, Well-Drained
- Sun Requirements: Full Sun
Gitts Perfection is a standout among dahlias with its 10-inch dinnerplate blooms. The flowers have soft pink petals that blend to a creamy white center. This variety is noted for its depth and the pronounced tips of each petal.
The plant grows to a height of approximately 3 to 4 feet, making it relatively compact. It’s an excellent choice for both garden displays and floral arrangements.
This dahlia variety is easy to grow and performs well in rich, well-drained soil with full sunlight. Deer tend to avoid it, which ensures a bold and lovely display throughout the summer
15. Eveline
| Attributes | Details |
|---|---|
| Height | 3-4 ft (90-120 cm) |
| Flower Color | Creamy-white with lilac tips |
| Flower Form | Formal Decorative |
| Flower Size | 36-48 inches (90-120 cm) |
| Uses | Garden, Cut arrangements |
Dahlia ‘Eveline’ is known for its striking blooms. The flowers are creamy-white with soft lilac at the center and petal tips. This gives them a delicate and elegant appearance.
Eveline grows up to 3-4 feet tall, making it a standout in the garden. The long stems are perfect for cut arrangements, adding beauty to any bouquet.
The blooms are small to medium-sized, between 4 to 6 inches in diameter. They have a formal decorative form, adding a touch of refinement to any space.
16. Bluesette
| Attribute | Detail |
|---|---|
| Height | Up to 22 inches |
| Flower Color | Purple |
| Bloom Time | Summer |
| Best For | Containers, borders |
| Price Range | Approx. $8.00 |
Bluesette is a charming dahlia variety that stands out with its attractive purple flowers. This delightful plant grows up to 22 inches tall, making it a great choice for containers or summer borders.
Bluesette blooms throughout the summer, adding color and vibrancy to our gardens. Its informal decorative style is a favorite among gardeners. It offers an elegant touch with its mid-sized blooms. We love planting Bluesette to create a stunning display. We recommend this dahlia for those who appreciate a splash of purple in their garden setup.
17. Fire and Ice
| Feature | Description |
|---|---|
| Plant Type | Perennial |
| Flower Color | White with red streaks |
| Bloom Size | 4 inches |
| Sun Exposure | Full sun |
| Height | 36″ – 48″ |
| USDA Zones | 6 – 11 |
| Attracts | Bees and butterflies |
Dahlia ‘Fire and Ice’ boasts striking white flowers flamed with fiery red streaks. These blooms are around 4 inches across and have bright yellow centers. It’s quite a sight in any garden.
This variety is known as a Mignon Dahlia. These Dahlias have single blooms that are perfect for attracting pollinators like bees and butterflies. Their structure allows easy pollen access for these insects.
Gardeners will appreciate ‘Fire and Ice’ for its prolific flowering. It’s a great choice for sunny borders or as a bold statement in a vase. Few plants offer such a vivid combination of colors.
18. Marble Ball
| Feature | Description |
|---|---|
| Flower Color | Purple and white variegated |
| Flower Size | Up to 4 inches wide |
| Bloom Time | Summer to frost |
| Foliage | Dark green |
| Height | 3 to 4 feet |
| Uses | Garden beds, cut flowers, bouquets |
Marble Ball is a standout variety known for its unique flowers. The blooms are a mix of purple and white, creating a stunning contrast against the dark green foliage. Each flower is fully double and about 4 inches wide, making them a striking addition to any garden.
We love how no two Marble Ball dahlias are exactly alike. Some flowers show more purple, while others have a bit more white. This variety is also excellent for cut flowers, adding a touch of elegance to bouquets.
Marble Ball dahlias bloom from summer until frost, providing continuous interest in our gardens. Their long-lasting flowers make them a favorite for gardeners who want vibrant blooms throughout the growing season.
Cultivation Tips for Different Dahlia Types
Dahlias thrive with the right combination of soil, water, sunlight, and temperature. Let’s explore what these plants need to flourish in your garden.
Soil and Water Requirements
Dahlias prefer well-draining soil that is rich in organic matter. A mixture of loamy soil and compost works best. The ideal soil pH ranges from 6.5 to 7.0. Adding a balanced fertilizer to the soil at planting time can give the plants a good start.
Proper watering is essential for healthy dahlia growth. Dahlias need consistent moisture but should not be overwatered. Deep watering a couple of times a week is generally sufficient. It’s important to avoid overhead watering to reduce the risk of fungal diseases. For larger dahlia varieties, you may need to stake them to support their heavy blooms.
Sunlight and Temperature Needs
Dahlias thrive in full sun, requiring at least six hours of direct sunlight per day. The more sunlight they receive, the better they will bloom. In hotter climates, some afternoon shade can help protect the plants from heat stress.
These plants are suited for USDA zones 6-11, handling temperatures from mild to warm. In cooler climates, it’s important to plant dahlias after the last frost. They don’t tolerate frost well, so if you live in a zone where frost is a concern, consider starting your dahlias indoors and transplanting them once the weather warms up.
