In the spring, about half of the seeds should have sprouted. Be careful-they look like grass at the seedling stage until they develop the distinctive, flat fan arrangement of leaves that are typical of the iris family. Iris tectorum is an evergreen Perennial growing to 0.3 m (1ft) by 0.5 m (1ft 8in) at a medium rate. For best results, sow immediately onto a good soil-based compost. Please add something or load your cart, Plant World, St. Marychurch Rd, UK, TQ12 4SE. Because of its preference for sheltered, sunny areas, this iris can solve a planting problem in areas of the garden where there is limited air circulation. It is hardy to zone (UK) 6. This gives the iris a chance to establish its roots while there is still enough sunlight to fuel its growth so that it can survive the winter. Prefers sheltered sunny locations, as near a south or west facing wall. Plant in late summer. - 1 ft. 6 in. They can be sown at any time, and germination can sometimes be quicker if kept at 15 to 20 degrees C. We sow most seeds in an unheated greenhouse and wait for natural germination, as many seeds have built-in dormancy mechanisms, often waiting for natural spring germination, hence giving them a full season of growth. BUY 2 OF THE SAME ITEM, GET A 3RD PACKET OF IT FOR FREE, Buy in bulk. Susceptible to a virus which discolors the leaves badly. Also subject to slugs. It also may be effective when planted in the rock garden or in large drifts at the front of the perennial border. Plant the seeds about ½” to ¾” deep and a few inches apart, and mark the area. The plants have fans of ribbed leaves and pretty blue-lilac or white flowers; they multiply fairly quickly to form a clump. Most Irises are best planted in late summer (early fall at the latest). White form of Iris tectorum. Iris tectorum is a 15" tall species of the crested iris group featuring large, 6" across, beardless, bright lilac-purple flowers with falls which are crested white. Plant rhizomes only about 1-2" below the soil. Iris tectorum (ht 30 cm) comes from China and like the other crested Iris enjoys woodland conditions of semi-shade and humus-rich soil, and can tolerate quite wet conditions. Rhizomes tend to push out of the ground and will benefit from fall and spring mulches. How to Plant Iris Seeds. Now let nature take its course. Specially for Growers and Commercial Buyers, We produce custom seed packets for all occasions, Visit our 'Gardens of the World', located in Devon, UK, View or download our catalogue in a PDF format. However, it will also grow in full sun and quite dry soil. Iris tectorum is very similar to that of Iris japonica and Iris milesii. For most Iris varieties, July and August are the best months for planting. - 1 ft. 6 in. Prefers sheltered sunny locations, as near a south or west facing wall. Nothing here. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects. Cover the seeds with fine grit or compost to approximately their own depth. Native Range: Central and southwestern China, Myanmar, Bloom Description: Deep lilac-blue purple with white crest. Grow in organically rich, medium moisture, well-drained soil in full sun to part shade. Store the seeds in a paper bag in a cool, dry place until autumn. Iris Species: tectorum Family: Iridaceae Life Cycle: Bulb Perennial Recommended Propagation Strategy: Division Country Or Region Of Origin: China Play Value: Attractive Flowers Particularly Resistant To (Insects/Diseases/Other Problems): Deer Dimensions: Height: 1 ft. 0 in. Plant rhizomes only about 1-2" below the soil. Gather iris seeds after the pods have dried out and turned brown. The plant is self-fertile. 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