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The USDA Plant Hardiness Zone Map includes 13 zones across the United States and is based on 30-year averages for the lowest winter temperature in each region.
Indiana is within the Eastern Temperate Forest environment, Level I region. Level IV ecoregions (denoted by numbers and letters) are a further subdivision of Level III ecoregions (denoted by numbers alone). [1] [2] [3] 54 Central Corn Belt Plains. 54a - Illinois/Indiana Prairie; 54b - Chicago Lake Plain; 54c - Kankakee Marsh; 54d - Sand Area
It is unclear whether these communities rely on fire for their openness, or are maintained by soil conditions alone. [4] They are usually dominated by short grasses such as little bluestem ( Schizachyrium scoparium ), and large showy forbs such as prairie dock ( Silphium terebinthinaceum ) and blazing star ( Liatris ).
The key characteristic of dry grasslands is that they have low-growing plants, causing the area to be quite open. They also have a mottled structure, which leads to a biome with sunny or semi-shaded areas. On top of that, their soil is relatively dry and nutrient-poor. There are, however, types of grasslands with a higher humus and nutrient ...
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Geranium maculatum, an Indiana native, is a relative of the common bedding geranium (Pelargonium × hortorum). This list includes plants native and introduced to the state of Indiana, designated (N) and (I), respectively. Varieties and subspecies link to their parent species.
Asian bush honeysuckle can choke out native plants and destroy natural food sources for birds and wildlife.
Soil is dry for at least half of the growing season and moist for less than 90 consecutive days; common in arid (desert-like) regions. Xeric: Soil moisture regime is found in Mediterranean-type climates, with cool, moist winters and warm, dry summers. Like the Ustic Regime, it is characterized as having long periods of drought in the summer.