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Growing: Bearded Iris

Growing Bearded Iris

Botanical Name:

Iris x hybrid

Life Cycle:

perennial

Planting Time:

mid to late summer or fall

Height:

4" to 48"

Exposure:

full sun

Soil:

average to rich, well-drained soil

Hardiness:

best for zones 3 to 10 (mulch over winter in coldest zones)

Bloom Time:

summer

Flower:

most colors

Foliage:

greenish-silver, blade-like leaves

Propagation:

division of rhizomes

Suggested Use:

beds, accents, mass plantings, cut flowers and rock gardens

Growing Hints:

Start with purchased plants or bulbs. Bearded Irises are often sold as rhizomes for mid to late summer planting. Plant so that the upper half of the rhizomes is even with or slightly above the soil surface. Divide them in the spring every 3 to 4 years to keep them looking their best.

Interesting Facts:

Bearded Irises are especially susceptible to borers. Symptoms include smelly, rotting rhizomes and larvae snacking on leaves. Giving plants full sun in a well-drained location and making sure irises are planted so rhizomes are on or above the soil surface will help prevent attacks.

Photo by Great Granny Vi

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