how to grow irises

To prevent overcrowding divide reblooming iris every two to three years but take only the outside rhizomes of the plant. Easy to grow Plant in autumn Depending on the species they flower February to March or May to June Bulb irises thrive in a sunny position in most soils Last for several years To make more plants divide in autumn All you need to know Before you get started Planting Ongoing care Pruning and training Propagating Problems.

Iris Flowers Plant Care Growing Guide

Catherine Horticulturist for Colorado Yard Care demonstrates how to plant.

. Situate the bulbs 4 to 5 in. Plant rhizomes of the iris in a sunny location with well-draining rich soil for optimum flowering. Step 2 Enrich the soil with some compost and Yates Dynamic Lifter Soil Improver Plant Fertiliser before planting. About four to six weeks after they flower divide by digging up the whole clump and remove the mother plant.

Make sure the rhizome us sitting above soil level and gets sun for most o the day - this will ensure it flowers reliably. Deep depending on the type of bulb. Do irises need sun or will they grow in shade. Although its not a common method you can grow irises in pots that are at least 12 inches wide.

Are you wondering how to plant irises correctly so they thrive for years to come. A good rule of thumb for planting Iris in groups is 6 to 12 inches apart. Increasing means making new. Leave room for growth between the rhizomes and do not bury the entire rhizome.

19 rows How to Grow Irises. Basic Planting Steps Step 1 Build up a small mound of soil in the center of the planting hole. Place the rhizome on a ridge of soil placing the roots in the soil but. In the early spring remove winter mulch and any old foliage to allow for fresh new growth.

Step 2 Center the rhizome on the soil mound. Step 1 Choose a well drained spot in the garden that attracts full sun. Fertilize in early spring scratching an all-purpose fertilizer around the. Grow bearded iris in moist but well-drained soil in full sun.

Leave the healthy older portions of the plant intact. It is a common mistake to plant Irises too deeply. Rhizome division is the most effective method for growing the iris. Choose a spot in full sun with well-draining soil enriched with rotted organic matter.

You need a pot with good drainage filled with peat-free compost. The best irises to grow in pots are Iris reticulata and Iris histrioides. For bearded irises position rhizomes horizontally in the soil leaving the top of the rhizome partially exposed. Top tips from experts Iris of Sissinghurst on how to buy and choose an iris and where to plant irises.

Plant iris bulbs while they. Plant the bulbs at 7cm 3in apart and 7cm. If you buy irises in a bag it is important to plant them out as soon as possible. Irises need a spot with direct sunlight and soil that drains well.

Iris should be planted so the tops of the rhizomes are exposed and the roots are spread out facing downward in the soil. In very light soils or in extremely hot climates covering the. Easy to grow Flowers in May and June Hardy Happy in dry soils once they are established Divide every three to four years for prolific flowering Wide range of flower colours to choose from. Because Iris thrives here I leave at least 12 inches so the new Iris can grow and increase.

Use a loose soil-free potting mix and leave the tops of the rhizomes exposed or.