Exploring the Diversity: An In-depth Look at 15 Varieties of Delphiniums


Delphiniums, also known as larkspurs or ‘blue flowers,’ are elegant plants that add a touch of color and interest to any garden. With their tall spikes of bloom and rich, vibrant colors, delphiniums are true garden stars. These plants are typically easy to grow and can tolerate cold temperatures and high humidity, making them a popular choice for gardeners.

There are many different types of delphiniums available, each with its own unique characteristics and uses. Some hybrids, like the ‘Guardian Series,’ are known for their strong and sturdy stems, making them a perfect choice for cut flower arrangements and centerpieces. Others, like the ‘Black Knight’ or ‘Morning Dew,’ have striking dark or light blue petals that stand out in the garden.

When it comes to planting delphiniums, it’s important to choose the right location and soil. These plants prefer full sun and well-drained soil, so make sure to choose a spot that gets at least six hours of direct sunlight each day. Additionally, delphiniums benefit from regular fertilizing to ensure they have the nutrients they need to thrive.

Delphiniums have a long history and are often associated with different meanings and symbolism. In Greek mythology, the delphinium was said to be the guardian of the gardens, leading butterflies and other pollinators to the flowers. For this reason, delphiniums are often planted in cottage gardens or as part of butterfly gardens.

If you’re planning a wedding or special event, delphiniums can be a stunning addition to bouquets, centerpieces, and even chuppahs. Their tall, elegant blooms and range of colors, from pinks and purples to blues and whites, make them a versatile and eye-catching choice.

In this video, Joe from the ‘How to Grow Anything’ series provides an overview of delphiniums and shares some tips on how to grow them successfully. He discusses the different types of delphiniums, their blooming times, and the specific needs of each plant.

In conclusion, delphiniums are a beautiful and popular addition to any garden. With their vibrant colors, tall spikes of blooms, and elegant petals, these plants are sure to catch the eye. Whether you’re looking for something to add interest to your flower beds or want to create a stunning centerpiece for a special event, delphiniums are a great choice. Their easy-to-grow nature and ability to tolerate frost and humidity make them a reliable and versatile plant for any gardener.

For more information on delphiniums or to buy these beautiful flowers online, visit our source for all things delphiniums.

How to Plant and Grow Delphiniums

When it comes to planting delphiniums, it’s important to choose the right location. These flowers thrive in full sun or partial shade, so make sure to find a spot in your garden that receives plenty of sunlight. The soil should be well-drained and rich in organic matter.

Before planting, prepare the soil by working in compost or well-rotted manure. This will help improve drainage and provide essential nutrients for the plants. Delphiniums have a deep root system, so make sure to dig a hole that is deep enough to accommodate their roots.

Once you have prepared the soil, it’s time to plant your delphiniums. Place the plants in the hole, making sure that the crown sits level with the soil surface. Backfill the hole with soil, firming it gently around the plants. Water thoroughly after planting to help settle the soil.

Delphiniums are heavy feeders, so it’s important to fertilize them regularly. Use a balanced fertilizer with a ratio of 10-10-10 or 14-14-14. Apply the fertilizer according to the instructions on the package and water it in well.

When it comes to watering, delphiniums need regular moisture, especially during dry periods. Water deeply once or twice a week, depending on the weather. Avoid overhead watering, as this can cause disease problems.

During the growing season, delphiniums may need some support to prevent them from flopping over. Use stakes or a peony cage to provide support when the plants reach about 12-18 inches in height. As the plants continue to grow, keep tying them to the stakes to keep them upright.

When delphiniums are in bloom, they make stunning cut flowers. Cut the stems early in the morning, when the flowers are fully open. Place them in a vase with fresh water and flower food to prolong their vase life.

If you’re interested in propagating your delphiniums, you can do so by division or by starting from seed. Division is best done in early spring or fall, while seed sowing is best done in late summer.

In conclusion, delphiniums are a beautiful addition to any garden. With their wide range of colors, including blues, purples, and pinks, they can fit into any garden theme or color scheme. Whether you’re planning to use them as centerpieces or in mixed flower beds, delphiniums are sure to be a stunning focal point in your garden.

For more information on growing delphiniums, including care tips and common problems, check out our complete delphinium growing guide.

Delphinium Overview

Delphiniums are stunning flowers that come in a wide range of colors and variations. These beautiful plants, also known as “larkspur”, are a favorite among garden enthusiasts and are often used to add a pop of color and elegance to any outdoor space.

There are about 15 different types of delphiniums, including the Pacific Series, the Black Knight, and the Guardian Series. Each type has its own unique characteristics and growing requirements, so it’s important to choose the right one for your garden.

The Pacific Series delphiniums are a popular choice for many gardeners. These flowers come in a range of colors, including blues, purples, pinks, and whites. They are easy to grow and will often re-bloom if the weather is warm enough.

The Black Knight delphinium is another popular choice. These flowers have stunning deep purple petals and can grow up to 6 feet tall. They make a dramatic statement in any garden and are often used as a focal point or in flower arrangements.

The Guardian Series delphiniums are known for their strong stems and vibrant colors. These flowers come in shades of blue, pink, and purple, and they are often used in weddings and other special events. They are also a favorite of butterflies and birds.

If you’re looking for something a little different, there are also double-flowered delphiniums, such as the Galahad and the Fountain Series. These flowers have extra petals, giving them a more full and lush appearance.

Delphiniums need a well-drained soil and plenty of sunlight to thrive. They prefer cooler temperatures and will often stop blooming if the weather gets too hot. These flowers are also heavy feeders, so it’s important to fertilize them regularly to get the best blooms.

If you’re interested in growing delphiniums, there are many online resources available to help you get started. Websites like “Arthur’s Delphiniums” and “Delphiniums Online” offer a wealth of information on how to grow and care for these beautiful flowers.

In summary, delphiniums are a stunning addition to any garden. With their beautiful colors and unique characteristics, they are sure to capture the interest of any gardener. Whether you’re looking for a pop of vibrant blue or a chic double-flowered variation, delphiniums are sure to bring a touch of magic to your outdoor space.

Where to Plant Delphiniums

Delphiniums are beautiful flowering plants that add a touch of magic to any garden or landscape. They are available in a range of colors, including blues, purples, pinks, and whites. Depending on the type of delphinium you choose, they can grow as tall as 7 feet or more, making them perfect for creating vertical interest in a garden.

Delphiniums are best grown in a sunny location that receives at least 6 to 8 hours of direct sunlight per day. They thrive in well-drained soil that is loose and fertile. Before planting, it is important to prepare the soil by loosening it and adding organic matter, such as compost or well-rotted manure, to improve the soil’s fertility and drainage.

When planting delphiniums, it is essential to provide them with adequate spacing to allow air circulation and prevent overcrowding. Plant them at least 3 feet apart to give each plant enough room to grow and spread.

Delphiniums can be grown in flower beds, borders, or containers. They make excellent focal points and can be used to create stunning centerpieces in a garden. Their tall spires of flowers also make them a popular choice for cut flower arrangements.

Delphiniums are perennial plants, meaning they will come back year after year if given the proper care. They are hardy in USDA zones 3 to 7, depending on the variety. However, they are not well-suited for hot and humid climates, as they are heat sensitive and may not tolerate long, hot summers.

In hotter regions, delphiniums can be grown as annuals or overwintered in containers and brought indoors during the winter months. They can also be grown in colder regions by providing them with winter protection, such as mulching the soil around the base of the plants.

Delphiniums are versatile plants that can be used in a variety of garden settings. They can be planted in cottage gardens, woodland gardens, or mixed borders. They also make great companion plants for roses, carnations, and other perennials.

When it comes to care, delphiniums are relatively easy to grow. They require regular watering, especially during dry spells, and benefit from a balanced fertilizer applied in early spring. Staking may also be necessary to provide support for the tall flower spires, especially in windy areas.

If properly cared for, delphiniums can be long-lived plants, with some varieties lasting for 15 years or more. They are relatively disease-free, but like many plants, they can be susceptible to certain pests, such as aphids and slugs. Regular inspection and appropriate pest control measures can help keep these issues at bay.

In conclusion, delphiniums are beautiful and easy-to-grow plants that can add a touch of color and elegance to any garden. Whether you choose the blue ‘Dasante’ or the black ‘Summer Nights’, there is a delphinium variety for every gardener’s taste and passion. So, why not try growing delphiniums in your garden and enjoy their stunning flowers and unique beauty?

Source: “15 Different Types of Delphinium” video by Baldwin’s Blooms, available online at

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Dr Heidi Parkes

By Dr Heidi Parkes

Senior Information Extension Officer QLD Dept of Agriculture & Fisheries.