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Iris giganticaerulea (the giant blue iris) is the largest species of the Louisiana irises. [2][3] It has very large green rhizomes, which are between 5 and 12 inches (13 – 30 cm) long and 0.75 to 1.5 inches (2–4 cm) thick. [4][5] They are shallow rooted, marked with the scars (of the previous seasons) leaves, with many branches, which can ...
The iris should be planted in well prepared ground (with added compost or organic matter). They should be planted 3–5 cm (1–2 in) below the ground level. They then need to be watered, and kept moist for the next few days, to prevent wilting and transplant shock. They should be spacing at 45–60 cm (17.5–23.5 in) apart.
A mulch is a layer of material applied to the surface of soil. Reasons for applying mulch include conservation of soil moisture, improving fertility and health of the soil, reducing weed growth, and enhancing the visual appeal of the area. A mulch is usually, but not exclusively, organic in nature.
Hovering is the birds' third mode of movement. Hummingbirds are incredibly agile in the air. They fly forwards and backwards to move from plant to plant and perch to perch, and they employ the ...
Iris (plant) Iris. (plant) Iris is a flowering plant genus of 310 accepted species [1] with showy flowers. As well as being the scientific name, iris is also widely used as a common name for all Iris species, as well as some belonging to other closely related genera. A common name for some species is flags, while the plants of the subgenus ...
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Warm stratification requires temperatures of 15–20 °C (59–68 °F). In many instances, warm stratification followed by cold stratification requirements can also be met by planting the seeds in summer in a mulched bed for expected germination the following spring. Some seeds may not germinate until the second spring. [citation needed]
In 2000, a study was carried out on the genetic diversity of Iris cristata and Iris lacustris.It was found that Iris cristata, is a widespread species of unglaciated regions of eastern North America, it would have a wide genetic diversity similar to other known widespread plant species, compared to the threatened Iris lacustris, which only occupies glaciated habitats on Great Lakes shorelines ...