Delphiniums thrive in cold climates, specifically in hardiness zones three and above. These magnificent plants boast blooms that come in a variety of colors such as blue, pink, red, or purple, which make them an attractive option for attracting hummingbirds and butterflies to your garden space. There are over 400 species of delphiniums in the country, and they are known for their towering height, reaching up to seven feet tall. However, it’s important to note that this plant is toxic, making it unsafe to have around small children or animals. To help you decide which type of delphinium to add to your garden, we’ve put together a list of 15 different varieties, starting with the beautiful Delphinium Blue Lace, also known as Candle Larkspur.
The ‘Faust’ is a stunning plant with striking blue blooms that can add a pop of color to any garden. It’s not high maintenance and thrives in full sun and well-draining soil. This plant is perfect for a cottage garden and attracts bees with its ornamental features. Next up, we have the Delphinium Galahad.
If you’re looking for a long-lasting addition to your garden, consider adding the Galahad plant. It boasts stunning snow-white flowers and distinct dark green foliage that will surely catch your eye. To keep it thriving, it requires plenty of sunlight and well-draining soil that stays moderately moist. Once matured, this plant can reach a height of 4 to 6 feet. Additionally, if you’re interested in more unique plants, consider the Delphinium Guardian Lavender, also known as Candle Larkspur.
During the summer season, I’m quite fond of the delicate pale blue and lavender flowers that grow on this particular plant. The tie-dye effect on their blooms is highly appealing to a variety of pollinators like butterflies and hummingbirds. Full sun or partial shade is perfect for these flowers, but they cannot withstand windy weather conditions. This lovely plant is called Delphinium Guardian Blue.
The Delphinium Highlander Blueberry Pie is a distinctive variety of delphinium with delicate petals in shades of blue complemented by a pale pink center. It’s a double-flowered plant that blooms from spring until the middle of summer. The ideal growing conditions for this flower include sandy or loamy soil and full sunlight exposure.
Another noteworthy delphinium variation is called the Delphinium Highlander Bolero.
The type of plant known as ‘highlander bolero’ boasts pom-pom blooms that appear in the summer season. These flowers are distinct, featuring white petals at the center and deep blue-purple edges. If you’re looking to add some vertical interest to your garden, this variety is a great choice, and it requires minimal upkeep. Additionally, there’s the Delphinium Jill Curley to consider.
If you’re seeking a way to add some height and brightness to your garden, the ‘Jill Curley’ might just be what you need. These plants boast stunning semi-double white blooms that measure about three inches across and can reach a height of 6-7 feet. Plus, they require full sun and average moisture levels, and can thrive in various types of soil. Alternatively, the Delphinium Magic Fountain Lavender is also worth considering.
The Delphinium Purple Passion is a type of delphinium that boasts stunning double-blooming flowers in a vivid shade of purple. These plants are known for their resilience, thriving in both cold and hot climates with high humidity levels. They can grow up to 6 feet tall, making them a striking addition to any garden. However, for optimal growth, the Delphinium Purple Passion prefers to be planted in well-drained soil and needs full or partial exposure to sunlight.
The Delphinium Astolat Group, also known as ‘purple passion’, is a remarkable plant that blooms deep purple flowers from early summer to fall. It features a bright eye in the center of the blooms, which is composed of a few white petals that make it more captivating. This plant can grow up to 5 feet tall and is incredibly resilient to heat and humidity.
Behold the exquisite Pacific Giant hybrid group, known for their impressive height and robust build. These magnificent plants bear semi-double blossoms in a delightful shade of pink or lavender, adding a touch of elegance to any garden. Watch as these flowers bloom from the early to midsummer, all the while attracting an array of hummingbirds and butterflies. These beauties thrive best in full sun and well-draining moist soil. One noteworthy variety in this group is the Delphinium Black Knight, known for its stunning, deep blackish-blue blooms that will leave you in awe.
I absolutely adore the stunning beauty of the delphinium black knight cluster. The rich purple hue that adorns its petals is accentuated by a small, yet striking, black center. This plant has the potential to grow up to be 6 feet tall, which means it may need some extra support to remain upright. However, this plant requires very little maintenance, making it an excellent addition to any garden. Let’s talk about the equally gorgeous Delphinium Blue Bird Group now!
Here’s another type of plant that has semi-double flowers. The blooms are a beautiful shade of royal purple which have a white center that extends out from the plant in frills. The best part about this plant is that it requires minimal care. It grows well in any type of soil and under full sunlight, however, it should be shielded from strong winds.