Growing Non-GMO Dark Blue Bearded Iris Flower Bulbs

Plant your irises at least six weeks before the first hard frost in your area for optimal iris growth. This timing gives the rhizomes enough time to establish themselves before winter. Choose a spot with full sun and well-draining soil. To enhance drainage, mix in coarse sand or compost. Irises thrive in slightly acidic soil, with a preferred pH of around 6.8.

When planting irises, bury them lightly. Dig a 4-inch deep trench and keep the tops of the rhizomes exposed with the roots spread out and facing downward. Full coverage of the rhizomes is only necessary in extremely hot climates. Never cover them with more than 1 inch of light soil. Space the plants 12-24 inches apart to minimize thinning in the following years. After planting, water the irises to settle the soil and promote quick root growth. Irises prefer infrequent but deep watering. In most cases, local spring rainfall will suffice, but supplemental watering may be required during extreme drought.

Growing Dark Blue Bearded Irises in Containers

For container planting, select a spacious pot with a minimum depth of 12 inches and ensure it has good drainage. Fill the pot to 1 inch below the rim. Plant the irises as described above and water only when the top 2 inches of soil are dry. When grown in containers, they benefit from being overwintered in a protected area. Keep the pots in a garage or another sheltered area to protect them from harsh above-ground freezing.

Dark Blue Bearded Iris in the Flower Garden

The Dark Blue Bearded Irises offer a dramatic visual impact with their bold color. They are perfect for adding a splash of color to borders, flower beds, and rock gardens. Their intricate blooms can also enhance the beauty of cut flower arrangements, making them a popular choice among florists. They are also attractive to hummingbirds! Dark Blue Bearded Irises can be used in a variety of settings, including as focal points in garden design, mass plantings for a sea of color, or in containers for patios and balconies. Their versatility makes them suitable for different landscape styles, from formal gardens to naturalistic settings.

Harvesting Dark Blue Bearded Iris

The Dark Blue Bearded Iris is an excellent choice for cut flower arrangements, bringing vibrant color and a touch of elegance to any bouquet. For the best results, harvest the irises when the buds are just starting to open, as this ensures the longest vase life and allows you to enjoy the full bloom indoors.

To harvest, use clean, sharp scissors or pruners and cut the stems at an angle early in the morning or late in the evening when the temperatures are cooler. Place the cut stems immediately in a bucket of lukewarm water. To support the tall and sometimes top-heavy stems in arrangements, use a sturdy vase or floral foam to keep the flowers upright and well-displayed. Additionally, remove any leaves that would be below the waterline to prevent bacterial growth and extend the freshness of your irises.

About Dark Blue Bearded Iris Garden Bulbs

Irises are not edible. They cause stomach upset if ingested by humans and are considered toxic to dogs, cats, and horses. Those with sensitive skin are also advised to wear gloves when handling this plant.

Also known as German irises, bearded irises attract hummingbirds but deter deer. The blooming period lasts up to three weeks in the late spring to early summer.

Bearded irises often have a subtle, sweet fragrance. The 'Dark Blue' variety typically offers a light, pleasant scent that adds an extra sensory dimension to the garden experience.

Historically, iris petals have produced natural dyes. The flowers can yield different shades depending on the mordant and process used, making them a valuable resource for natural fabric dyeing practices.

Make Planting Bulbs Easy with a Bulb Planter Hand Tool!

Stories From Our Gardeners

"I learned the hard way that they are serious when they say ‘full sun to part shade’ is needed for irises. I have some irises in partial shade, and they bloom beautifully without spreading quickly. On the other hand, the irises I planted in a shadier area don’t bloom at all!"

- Lara Wadsworth, True Leaf Market Writer

Dark Blue Bearded Iris Flower Bulbs Per Package:

• 1 Bulb Bag
• 3 Bulb Bag

Non-GMO Dark Blue Bearded Iris Bulbs are available for Fast Free Shipping on qualifying orders.