Even if you have plenty of sun, clumps need to be divided when they become overcrowded. The best time to do this is about ...

That said, iris rhizomes are more suitable for spring planting than true bulbs. Spring-planted irises typically grow from rhizomes—thick, fleshy root structures with visible root nodes.

Plant iris bulbs 15 cm deep in the soil - planting this dead will help encourage the bulbs to reflower in the following years. Space the bulbs five to seven and a half centimetres apart.

The Russian River Rose Company will hold Iris demonstrations on Aug. 17 and Aug. 18. Expert Roxie Nall will present a hands-on demonstration at 10 a.m. and 2 p.m. on how to dig, groom and plant ...

To divide iris bulbs, cut them apart, leaving some little “eyes” (those nubs like) on each section you want to plant. Also, leave some root hairs intact with each divided section.

Plant bulb irises in the late summer to early fall in a location with at least six hours of sunlight. Make sure the spot has good drainage and space them according to the variety directions.

There are two seasons for planting these types of perennials. You plant in fall for spring bloom, and in spring for summer bloom. Because we live in a temperate climate, the seasons can get a bit ...