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12 Types of Dahlia Flowers: Dahlia Varieties and Classifications

Published on
February 3, 2025
12 Types of Dahlia Flowers: Dahlia Varieties and Classifications
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Growing Anemone Flowers Q&A

Q: Why do anemones close at night?

A: Anemones have a neat trick of closing their petals at night or when it’s cloudy. This behavior is believed to be a way to protect their pollen and nectar from the elements, preserving their beauty for when the sun returns. It's also thought to help them conserve energy.

Q: What causes anemones to die back?

A: Anemones naturally die back in the fall after their blooming season, especially the perennial varieties. This die-back is part of their life cycle, where the foliage wilts and the plant goes dormant for the winter. It's a sign that your plant is preparing for the colder months and is completely normal. Just make sure to cut back any dead foliage in early spring to encourage fresh growth.

Q: When should I harvest anemones for bouquets?

A: For the best results, harvest anemones when they’re fully open, but not yet starting to wilt. The stems should be cut early in the morning, when the blooms are at their freshest. Make sure to place them in water immediately after cutting and avoid exposing them to direct sunlight to prolong their vase life.

Caring For A Hibiscus Plant Q&A

Q: Can hibiscus be grown indoors?

A: Yes, hibiscus can be grown indoors, particularly tropical varieties. Place your hibiscus in a sunny spot with at least 6 hours of direct sunlight each day. You may need to use grow lights if sunlight is limited during winter months. Ensure the room is warm and humid to mimic tropical conditions.

Q: How can I protect my hibiscus from winter frost?

A: If you live in a region with cold winters, bring tropical hibiscus indoors before the first frost to protect it from freezing. Hardy hibiscus can be left outdoors with a layer of mulch around the base to protect the roots. Consider cutting back the stems and covering the plant with frost cloth for extra protection.

Q: What is the best time to plant hibiscus?

A: The best time to plant hibiscus is during the spring or early summer, when the plant can establish itself before the cooler weather sets in. For tropical hibiscus, wait until the danger of frost has passed. Hardy hibiscus can be planted in the spring, once the soil has warmed up.

How to Grow and Care for a Snake Plant Q&A

1. Can I propagate a snake plant in water?

Yes! You can place a healthy leaf cutting in a glass of water, making sure only the bottom inch is submerged. Change the water every few days to prevent bacteria buildup. Once roots develop (usually in a few weeks), transfer the cutting to soil.

2. Can I neglect my snake plant and still have it thrive?

Pretty much, yes! Snake plants are one of the most low-maintenance house plants. They can handle low light, little water, and general forgetfulness. Just don’t go months without watering it—or worse, overwater it. That’s the fastest way to kill it!

3. My snake plant is flowering! Is that normal?

It’s rare, but yes! Snake plants can bloom, usually when they’re a little stressed (like being root-bound). The flowers are small, white, and slightly fragrant. Consider it a bonus surprise!

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If you’re someone who gets way too excited about colorful blooms, you’ve probably already fallen in love with dahlias. And I get it—they’re stunning, they’re dramatic, and honestly, they just make your garden look fancy without you trying too hard. But did you know that there are a ton of different types of dahlias out there? Yeah, not all dahlias are created equal.

Lucky for you, I’m here to walk you through some of the most popular dahlia classifications, each with its own unique charm. Let’s dive in and explore some of the most beautiful varieties of dahlias you can grow!

types of dahlias infographics: informal decorative dahlia, ball dahlia, single dahlia, collarette dahlia, waterlily dahlia

12 Popular Types of Dahlia Flowers

1. Formal Decorative Dahlia Classification

Formal Decorative Dahlia Classification flower closeup

Formal decorative dahlias are the classic, show-stopping type you might see winning ribbons at flower shows. Their fully double blooms have broad, flat petals arranged symmetrically, creating a perfect, layered look. They typically bloom to about 4 to 6 inches wide and come in all sorts of stunning colors. If you’re looking for flowers that have a little extra oomph, these dahlias deliver.

Varieties:

  • ‘Break Out’ – A bold red dahlia with perfectly arranged petals.
  • ‘Karma Bon Bini’ – Soft peach-pink blooms that feel elegant and refined.
  • ‘Kelvin Floodlight’ – A large, bright yellow bloom with perfect form.

Quick Tips:

  • Water: Keep the soil moist but well-drained. Water regularly, but don’t let them sit in soggy soil.
  • Soil: Fertile, well-draining soil with a slightly acidic pH.
  • Light: Full sun, 6-8 hours a day.
  • Temp and Humidity: They do best in moderate temperatures (60-75°F/16-24°C) and moderate humidity.
Seedville 50 WATERCOLOR MIX DAHLIA Variabilis Double Bloom Mixed Colors Yellow Peach Pink Lavender Cream Orange Flower Seeds

Seedville 50 WATERCOLOR MIX DAHLIA Variabilis Double Bloom Mixed Colors Yellow Peach Pink Lavender Cream Orange Flower Seeds

2. Informal Decorative Dahlias

Informal Decorative Dahlias closeup flower

These blooms have a much more relaxed vibe, with petals that twist, curl, or wave in all kinds of directions. No two flowers look exactly the same, and honestly, that’s what makes them so charming. They’re still double blooms like the formal ones, but the irregular petal shapes make them feel softer and more natural. These are great for cottage-style gardens or if you’re going for that wild, romantic garden look.

Varieties:

  • Mango Madness’ – A mix of orange and yellow petals that really stand out in any garden.
  • ‘Honka Fragile’ – Soft, pale pink petals that look delicate and charming.

Quick Tips:

  • Water: Water regularly, but let the soil dry out a bit between waterings. Water deeply during dry spells.
  • Soil: Well-draining, slightly acidic soil, so be sure to add some compost or organic matter to keep the soil rich.
  • Light: Full sun is best, so aim for 6-8 hours a day of sunlight.
  • Temp and Humidity: They prefer moderate temperatures (60-75°F/16-24°C) and don’t do too well in extreme heat, so keep them in a spot that’s not too hot and dry.
CZ Grain 100+ Rare Mix Dahlia Flower Seeds

CZ Grain 100+ Rare Mix Dahlia Flower Seeds

3. Ball Dahlias

Ball Dahlias flower closeup

These dahlias make round, ball-shaped blooms that pack a punch of color. These beautiful flowers have tightly packed petals, giving them a full, fluffy appearance. The flowers range in size from about 2 to 4 inches across, making them perfect for smaller gardens or containers.

Varieties:

  • ‘Karma Fuchsiana’ – A vibrant, deep pink ball dahlia with striking symmetry.
  • ‘Aloha’ – A cheerful yellow and orange blend that brightens up any space.

Quick Tips:

  • Water: Keep the soil consistently moist. Water when the top inch feels dry, but don’t let them sit in soggy soil.
  • Soil: Fertile and well-draining soil
  • Light: Full sun, about 6 to 8 hours per day.
  • Temp and Humidity: Prefers temps between 60-75°F (16-24°C) and moderate humidity.

4. Pompon Dahlia Flower

Pompon Dahlia Flower thriving outdoors

Pompon dahlias are tiny, round blooms that look like little puffballs, they are probably a miniature ball dahlia. These flowers are perfect for creating a cute, compact display in your garden. They’re great for cutting and adding to floral arrangements because of their small size and dense, round shape.

Varieties:

  • ‘Happy Single’ – Bright yellow flowers that add a pop of sunshine to your garden.
  • ‘Wyn’s Tiger’ – Striking red and yellow striped blooms that really stand out.

Quick Tips:

  • Water: Keep them consistently moist, especially during dry periods.
  • Soil: Well-draining soil
  • Light: Full sun to partial shade, but they do best in full sun.
  • Temp and Humidity: Ideal temperatures between 60-75°F (16-24°C) and moderate humidity.

5. Cactus Dahlias

Cactus Dahlias closeup

Cactus dahlias have long, spiky petals that resemble the shape of cactus needles, hence the name. These dahlias stand out in the garden with their unique, dramatic form. The blooms can be large, often exceeding 6 inches across, and are perfect for making a statement in your floral arrangements.

Varieties:

  • ‘Blue Bayou’ – A stunning lavender-blue color with sharp, pointy petals.
  • ‘Ken’s Red’ – A bold red variety with long, twisted petals.

Quick Tips:

  • Water: Keep the soil moist but not waterlogged. Water regularly but don’t overdo it.
  • Soil: Prefer rich, well-draining soil that’s slightly acidic.
  • Light: Full sun for at least 6 hours a day.
  • Temp and Humidity: They thrive in temperatures of 65-75°F (18-24°C), with moderate humidity.
PeavyTailor 120 Dahlia Seeds

PeavyTailor 120 Dahlia Seeds

6. Semi Cactus Dahlias

Semi Cactus Dahlias closeup

If you're looking for a dahlia that strikes the perfect balance between delicate and bold, semi-cactus dahlias are where it’s at. These flowers are like the best of both worlds—they've got the spiky, pointed petals of a cactus dahlia but with a slightly softer, more relaxed vibe. The blooms are usually 4 to 6 inches wide and have petals that curl or twist at the ends, creating a dramatic yet elegant look. Semi-cactus dahlias are great for gardeners who love a bit of drama but don’t want something too wild or unruly.

Varieties:

  • ‘Chat Noir’ – A deep, rich burgundy that almost looks velvety.
  • ‘Zundert’s Starlight’ – With creamy yellow petals that curl at the tips for a unique, eye-catching effect.

Quick Tips:

  • Water: Water deeply. Let the soil dry a bit between waterings.
  • Soil: Slightly acidic, well-draining soil.
  • Light: Full sun—at least 6-8 hours of sunlight a day will keep them blooming beautifully.
  • Temp and Humidity: Moderate temperatures (60-75°F/16-24°C) are ideal, and they appreciate a bit of humidity.

7. Single Dahlias

Single Dahlias closeup

Single dahlias are known for their simple, yet elegant look. They typically have a single row of petals surrounding a center of exposed stamens, giving them a wildflower-like appearance. These single-flowered dahlias are perfect for gardeners looking for a low-maintenance option that still adds charm and beauty to the garden.

Varieties:

  • ‘Lilac Time’ – A soft lilac-pink that blooms beautifully in the summer.
  • ‘Happy Face’ – Bright yellow petals with a dark center that draws the eye.

Quick Tips:

  • Water: Water deeply, ensuring the soil stays moist but not soggy.
  • Soil: Well-draining soil
  • Light: They prefer full sun for the best blooms.
  • Temp and Humidity: Grows best in moderate temperatures between 60-75°F (16-24°C), with low to moderate humidity.
PEMDASGARDEN 40+ Seeds Ultimate Dinnerplate Collection Dahlia Perennial Seeds

PEMDASGARDEN 40+ Seeds Ultimate Dinnerplate Collection Dahlia Perennial Seeds

8. Anemone Dahlias

Anemone Dahlias closeup

Their outer petals are flat, while the center is a dome-shaped cluster of smaller petals that resemble an anemone flower. These dahlias can be used as cut flowers or planted in garden beds to add a delicate touch.

Varieties:

  • ‘Mikayla’s Choice’ – A pale pink flower with a rich red center.
  • ‘Ann Marie’ – Soft lavender blooms with a bright yellow center.

Quick Tips:

  • Water: Water them regularly but ensure the soil drains well.
  • Soil: Light and well-draining soil
  • Light: Full sun is ideal, at least 6 hours a day.
  • Temp and Humidity: Best in temperatures ranging from 65-80°F (18-27°C) and moderate humidity.

9. Collarette Dahlias

Collarette Dahlias closeup

Collarette dahlias are known for their unique appearance. They have a ring of shorter, ruffled petals around a center of longer petals, resembling a “collar” around the flower’s face. These flowers make for a quirky yet gorgeous addition to any garden.

Varieties:

  • ‘Karma Choc’ – Dark, rich red petals with a slightly darker center.
  • ‘Terry’s Choice’ – White outer petals with a deep purple center.

Quick Tips:

  • Water: Water them well but avoid soggy soil.
  • Soil: Well-drained soil
  • Light: Full sun, at least 6 hours daily.
  • Temp and Humidity: They thrive in temperatures between 60-80°F (16-27°C) and moderate humidity.

10. Waterlily Dahlias

Waterlily Dahlias closeup

Waterlily dahlias have a distinct look, with their large, slightly open flowers that resemble waterlilies floating on a pond. These flowers have a softer, more relaxed feel compared to the more rigid dahlia types, making them perfect for a casual garden setting.

Varieties:

  • ‘American Dawn’ – Peachy pink blooms that brighten up any space.
  • ‘Lemonade’ – Soft yellow petals with a faint blush around the edges.

Quick Tips:

  • Water: Keep the soil consistently moist, but not overly wet.
  • Soil: Well-draining, rich soil is key.
  • Light: Full sun for 6-8 hours.
  • Temp and Humidity: Ideal temperatures between 60-75°F (16-24°C), with moderate humidity.

11. Orchid Dahlias

Orchid Dahlias closeup

These beauties have long, narrow petals that give them a sleek, exotic look, almost like something you’d find in a tropical garden. The blooms are usually around 4 to 6 inches wide, and the petals are often a bit twisted or frilled, giving the flower a unique, almost architectural shape. If you want a dahlia that stands out and feels a bit more “fancy,” orchid dahlias are the ones to go for.

Varieties:

  • ‘David Howard’ – A fiery mix of orange and yellow with long, narrow petals that give it that “tropical” feel.
  • ‘Mingus’ – A beautiful pink orchid-like flower with long, graceful petals that curl slightly at the ends. It’s delicate yet dramatic.

Quick Tips:

  • Water: Keep them moist, but don’t let them sit in soggy soil. Water deeply when it’s dry.
  • Soil: These dahlias love well-draining soil, ideally with a slightly acidic pH. A little compost won’t hurt either!
  • Light: Full sun (6-8 hours a day) is best for orchid dahlias. They need that light to thrive and show off their gorgeous blooms.
  • Temp and Humidity: They prefer moderate temperatures (60-75°F/16-24°C) and a bit of humidity, but don’t put them in a spot that gets too hot.

12. Laciniated Dahlias

Laciniated Dahlias thriving outdoors

Laciniated dahlias have delicate, fringed petals that give them a soft, airy look. These blooms tend to be more dramatic than others, with their jagged edges giving a slightly wild and untamed feeling. They’re perfect for adding texture and movement to your garden.

Varieties:

  • ‘Shiloh Noelle’ – A deep red with slightly frayed edges.
  • ‘Laciniated’ – Soft pink, almost feathery-looking petals.

Quick Tips:

  • Water: Keep them moist, but ensure the soil drains well.
  • Soil: Rich, well-draining soil works best.
  • Light: Full sun is ideal for the best bloom production.
  • Temp and Humidity: They do well in temperatures of 60-80°F (16-27°C) and moderate humidity.

FAQs

Q: How many different dahlia varieties are there?

A: There are thousands of varieties, each with its own unique charm. Some of the most popular categories include single-flowered, double flower, cactus, and ball dahlias. Dahlia varieties can differ greatly in color, shape, size, and even the number of tubular florets in each flower head. Whether you want bold, spiky blooms or soft, layered petals, there’s a dahlia for everyone.

Q: How can I learn more about dahlias and the different types?

A: Joining a national dahlia society is a great way to dive deeper into the world of dahlias! These groups often host events, offer resources, and connect you with other dahlia enthusiasts. It’s a wonderful way to learn more about the different flower forms, varieties, and tips for growing dahlias in your garden.

Q: Can I save dahlia tubers for next season?

A: Definitely! After the growing season ends, you can dig up your dahlia tubers, clean them off, and store them in a cool, dry place over the winter. This way, you can replant them in spring and enjoy your favorite dahlias year after year. Just make sure to inspect them for rot or damage before storing. Healthy tubers mean healthy plants next season!