Do Siberian iris come back every year?
Through division and learning when to plant Siberian iris, you can ensure continuing blooms each year. Smaller and less common than the spring blooming bearded iris, Siberian iris offers a reliable perennial bloom for many years.
Does Siberian iris like sun or shade?
Siberian iris varieties range in height from 12 to 40 inches. Siberian irises perform best in moist, well-drained, fertile soils. However, they will tolerate poor, dry sites. They can be grown in partial shade to full sun.
Will Siberian iris spread?
Propagating Siberian Iris Like most bearded iris, Siberians grow and spread from rhizomatous roots that are readily divided to propagate new plants.
How much sun does Siberian iris require?
full sun
Sun and Moisture for Siberian Irises Try to plant them with other perennials that you normally irrigate during dry periods in July and August. They love full sun (especially in the northern areas) but will grow in light shade.
When Should Siberian iris be planted?
Siberian Irises can be planted anytime from spring to fall, with foliage forming in the autumn and taller growth emerging in the winter. These plants develop into sizeable clumps over time and bloom from late spring to early summer.
Should Siberian iris be divided?
Siberian irises don’t have to be divided as often as bearded irises. It’s advisable to divide Siberian irises when clumps become crowded, plant vigor declines or clumps have formed solid rings with bare centers. Siberian irises can be divided in early spring or late summer.
What can I plant with Siberian iris?
Great Companion Plants for your Siberian Irises
- Alchemilla mollis (Lady’s Mantle)
- Artemisia schmidtiana ‘Nana’ (Wormwood)
- Euphorbia polychroma (Cushion Spurge)
- Tanacetum coccineum (Painted Daisy)
- Aquilegia (Columbine)
- Campanula glomerata (Clustered Bellflower)
- Hardy Perennial Salvias (Sage)
- Paeonia (Peonies)
Will Siberian iris grow in pots?
Planting in Containers A tall plant, Siberian Iris does best in large containers. Plant as described above, soaking the roots before planting in holes 3 to 5 inches deep. Space the bulbs 8 to 12 inches apart and firm the soil down. Water well and keep the soil moist until the bulbs have established themselves.
How far apart should Siberian iris be planted?
two feet apart
Planting Siberian Iris Space your plants two feet apart. Siberian Iris prefer acidic soil (pH 5.5 to 6.9). Peat moss, compost, and humus all work as soil enhancers. Plant your Siberian Iris where they will receive full sun.
When Should Siberian iris be transplanted?
Transplanting: Siberan iris can be transplanted almost anytime from spring until fall if you keep the plant moist and the temperatures are below 90 F and above 32 F for a month afterwards. Dig and divide your plants every 4 to 6 years for plant vigor.
How many iris bulbs should I plant together?
three
Plant rhizomes singly or in groups of three, 1 to 2 feet apart, depending on the size. Dig a shallow hole 10 inches in diameter and 4 inches deep.