Concertina Reblooming Bearded Iris

Light Needs

Partial Sun to Full Sun

(At Least 5 Hours of Direct Sunlight)

Mature Height

2 Feet

Mature Spread

1 Foot

Growing Zones

4 to 9

The Concertina Reblooming Bearded Iris, more formally known as Iris Germanica Concertina, is a distinctive intermediate variety with ruffled, dusty rose standards, pastel yellow falls, and bushy, violet-blue and orange-laced epaulet-like beards. Concertinas are strong growers and dependable rebloomers, flowering twice a year - once in late spring, and then again in early fall. They are beautifully fragrant and grow up to 3 feet tall.

Native to the Mediterranean, the genus name “Iris” is coined after the Greek goddess of rainbows, and the Concertina is definitely a nod to those beautiful colors. Concertinas are deer and rabbit resistant and relatively drought tolerant. They are excellent for any cutting garden, mass planted in a natural or woodland garden, and interspersed along borders or walkways.

Concertina Reblooming Bearded Iris Care

Concertina Irises need slightly acidic soil with good drainage to thrive. The ideal pH for your bearded irises is 6.8. If your soil is claylike, plant in raised beds to ensure drainage and prevent rhizome rot. Do not mulch your Iris rhizomes. July to October is the best planting period for Bearded Irises. In cold-winter zones, plant during July or August; in hot zones, plant in September or October. Bearded Irises need full sun in colder climates, but can tolerate partial shade in the hottest regions. For best performance and color, in the spring, after the first blooms have faded, feed your Concertina Irises with moderate-nitrogen fertilizer.

Irises of all kinds are vulnerable to Iris Borers. Larvae chew holes in the leaves and tunnel into the rhizome, causing structural and cosmetic damage to the plant. This can be managed by removing affected roots and foliage as quickly as possible, as well as by clearing the bed of past foliage at the end of the growing season. It also helps to remove blooms after they have faded.

Concertina Reblooming Bearded Iris Spacing

Iris Rhizomes should be spaced 1 to 2 feet apart, set with their tops barely beneath the soil surface. Growth extends from the leafy part of the rhizome, so you should point that part in the direction you want your growth. They look fantastic when grown in tandem with roses, and since irises bloom at different times, depending on their size, you can combine Concertina Reblooming Irises with other types of irises to achieve a longer blooming period. They can also be grown in pots and containers of 12 inches or larger, with excellent drainage.

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1231009881-pc