FAQ: How To Divide Apostle Iris?

How do you propagate Apostle iris?

Walking iris is readily propagated by plant division. The plant grows from rhizomes that form vigorous clumps. Dig up a clump of walking iris after flowering is complete. Divide into sections 4 inches or larger and replant immediately.

How do you split iris plants?

To divide your iris, start by lifting the clump of iris plants out of the ground with a spade or fork. If possible, lift the whole mass out whole, but if you are unable to do this, carefully break the clump into smaller parts and lift these out. Next, brush of as much dirt as possible from the iris rhizomes.

Can I divide my iris now?

Divide at the right time of year, after flowering, when irises become dormant during late summer, reducing the chance of bacterial soft rot. Avoid dividing during winter when irises are trying to survive on stored energy in their rhizomes. Snip the leaf blades to about one third of their height.

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Where should I plant walking iris sun or shade?

Walking iris can be grown in full or partial shade, can tolerate a range of soil types, and will thrive in moist locations. This plant does well in mass plantings, providing year-round interest with its upright foliage that’s lovely even when not flowering.

Why is it called a walking iris?

N. caerulea has blue or violet outer petals that usually are the same shade as the inner petals. Walking iris is aptly named, for as the flower spike nears the end of its bloom cycle and continues to flop about, new plantlets begin to appear at the tip of the spike.

Is walking iris poisonous?

Is The Walking Iris Plant Toxic Or Poisonous? All parts of the plant are poisonous and may cause gastrointestinal problems. Kids and pets should not be allowed to ingest Neomarica.

Do irises multiply?

Irises multiply fairly quickly and when the plants become overcrowded they produce fewer of their lovely blooms. It is very easy to divide iris plants to rejuvenate them, and for the best display, bearded irises should be divided every three to four years.

Should I soak iris rhizomes before planting?

It would be wise to soak iris in a diluted solution (1-9 ratios) of bleach and water for several hours or even overnight before replanting the large new healthy rhizomes. If planting in the fall when dormant, one may wish to cut back existing roots to about three inches.

What time of year do you move irises?

The best time to plant and transplant rhizomatous iris is late July through September. Iris loves the heat and drier weather of summer and the summer dividing will reduce the incidence of bacterial soft rot. Most rhizomatous iris should be divided every three to five years.

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Can you divide irises in the spring?

A: August or September is the best time to divide and transplant irises, but you still can transplant them now. Your irises may not bloom this spring. Start dividing them by removing the entire iris clump. To make the rhizomes easier to handle, reduce the length of the blade foliage by half.

How do I get my iris to bloom again?

Deadhead the iris frequently to encourage new flowering from buds growing further down on the stem. Let as much of the foliage remain on the plant as possible because it will continue to absorb the sun and feed the stems. Once flowering is over, cut the stalk down to the soil level but not into the rhizome or bulb.

What is the best fertilizer for iris?

Fertilization. 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 often should I water a walking iris?

In regards to walking iris care, the plant itself requires little in the way of maintenance with exception of providing plenty of moisture. You should water your walking iris regularly during its active growth. Allow the plant to go dormant in winter and limit its watering to once monthly.

How often do you water walking iris?

Water and Fertilizer Requirements Water outdoor walking iris plants as often as necessary to keep the soil uniformly moist for the first three weeks after planting. After that, water once every one to two weeks if it doesn’t rain. They are not drought-tolerant plants.

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