siberian iris in pots

If you wish to add a few Siberian iris blooms to a container, you may plant them at any time. Planting Siberian iris gardens is best done in a rich, fertile soil with good drainage; however, Siberian iris will perform in lean or poor soils as well.

Do irises do well in pots?

Iris can be successfully grown in containers. A 6" to 8" pot will work for Dwarf Iris; a 12" pot will work for Tall Bearded Iris. Make sure your pot has good drainage. ... After bloom, be sure to divide your Iris and replant outside or into more pots.

How much sun do Siberian irises need?

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.

Should Siberian iris be cut back?

Cut back Siberian foliage only after it turns brown and withers in late fall. Then, cutting off all leaves an inch or two above ground level is recommended. PESTS: Siberians are more resistant to disease than other garden irises, but do suffer from scorch in those areas where this attacks other Iris varieties.

Is Siberian iris invasive?

Siberian iris grow two to four feet tall and have grassy leaves that arch over at the tips. The leaves form an attractive clump in the garden that's virtually care-free. ... Siberian iris aren't invasive, but will self-sow.

How do I get my iris to bloom more?

An amendment of superphosphate, colloidal phosphate or bone meal applied in early spring can help plants develop blooms. Another reason for iris plants not flowering is overcrowding. The rhizomes will increase over time and plants become too packed in their site.

Where is the best place to plant irises?

Choosing and Preparing a Planting Site

Irises will bloom best in full sun. They can tolerate as little as half a day of sun, but it's not ideal. Without enough light, they won't bloom. Bearded irises must not be shaded out by other plants; many do best in a special bed on their own.

What to do with Siberian iris after flowering?

Remove spent flowers after they bloom to keep seed heads from forming. In late fall, cut foliage to the ground and mulch well after the ground has frozen. After a few years, when large clumps form, divide them to ensure continued bloom.

When should I divide Siberian iris?

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.

When can I move my Siberian Iris?

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 do you winterize Siberian Iris?

Let the foliage yellow and die down naturally. Avoid removing any of the foliage until it is completely died back or until the first light frost in autumn—whichever occurs first. Cut off all dead leaves with gardening shears 1 inch above the soil surface or rhizome, if it is visible.

How long can iris rhizomes stay out of the ground?

It will not damage the prepared rhizomes to remain out of the ground for two weeks. Select a planting location with good drainage that receives a minimum of 5 to 6 hours of sun every day or that is in full sun. Iris may be planted in a bed or as clumps between other plants.

Why do my irises fall over?

Iris also will fall over if they are growing in too much shade or if they have been over-fertilized with a high-nitrogen mix that will spur foliar growth at the expense of flower development. ... Wait until late July to carefully dig up the clump of rhizomes.

What is the difference between a bearded iris and a Siberian Iris?

Bearded iris have thick, fleshy roots (rhizomes) that grow on or very close to the soil surface. ... Siberian iris flowers are smaller than bearded iris and do not have a beard. They prefer relatively acidic soil and consistent moisture, but will tolerate periods of dry weather.

How do you kill Siberian Iris?

This is most easily done in the fall at the end of the growing season, when the iris plants are in decline anyway.

Cut the earth around the iris leaves, digging below the rhizomes. ...
Cut under the bottom edge of the rhizome with the shovel, severing the rhizome from the roots.
Lift the rhizomes gently out of the ground.

What is the difference between Dutch iris and Siberian Iris?

Dutch iris grow from bulbs and can reach 18 to 22 inches tall. They bloom in May and June. Siberians are even taller, rising to as much as 36 inches. Both types bloom in shades of white, cream, purple, blue-purple and yellow.

What is the best fertilizer for Iris?

Irises should be fertilized in early spring about 6 to 8 weeks before bloom, and again after the blooms are gone. Because phosphate is important, we recommend bone meal or super-phosphate and a light balanced fertilizer such as 10-10-10 or 6-10-10 depending on the amount of nitrogen in your soil.

How do you keep iris blooming all summer?

It's also time to take care of a few little tasks that will go a long way in keeping your iris beds bright for as long as possible!

Prune. Grab your best pruning shears, and cut back the spent flower stalks near the plant's base. ...
Fertilize. Light fertilization in the summer bodes well for your iris plants' health. ...
Weed.

What month do iris bloom?

A number of bearded varieties bloom from early spring to early summer. Among beardless irises, many varieties in the Spuria subgroup bloom from late spring to midsummer. Some Siberian iris (Iris sibirica) and Japanese iris (I. ensata) selections bloom from mid-spring to early summer.

Can you plant bulbs any time of the year?

When to plant bulbs depends on when they bloom. Spring-blooming bulbs, such as tulips and daffodils, should be planted in September or October when the soil temperatures have cooled. Summer-blooming beauties such as dahlia and gladiolus are best planted in the spring after all danger of frost has passed.

Does Iris like sun or shade?

Siberian irises grow well in cool, wet conditions and, though they thrive in full sun, they can also tolerate some shade. Plant about 1 inch deep in full sun to part shade.

Is Epsom salt good for irises?

Another tip to keep them looking good all summer is to give them a dose of Epsom Salt (Magnesium Sulfate). Mix according to directions and water or spray your Iris. This will improve leaf color and plant vigor. Doing these things now will prepare your iris for next year's bloom season.