6/11/2023 0 Comments Purple coneflower missouriDrought resistant plants will need to be well-established, usually 2-3 years at a minimum, in the garden or landscape before they are able to withstand lengthy periods (weeks or months) without supplemental water. These are the basic soil types and moisture levels where this plant will survive, not necessarily thrive. Soil & Moisture: Average moist, well-drained soils but relatively adaptable. Most plants that are native to alkaline soils can be grown in neutral to mildly acidic soils successfully, although the opposite generally is not true. Gardenias, for instance, may need to be sprayed with chelated iron. Acid loving plants that are grown under alkaline conditions often exhibit nutrient deficiencies since the roots are not able to draw some types of minerals from the soil. pH Range: Acidic, Mildly Acidic, Neutral, Mildly Alkaline, AlkalineĪcidic or Strongly Acidic - pH less than 5.5 Mildly Acidic - pH 5.6-6.5 Neutral - pH 6.6-7.3 Mildly Alkaline - pH 7.4-8.4 Alkaline or Strongly Alkaline pH higher than 8.4. Outdoor Light: Full sun, Mostly sunnyįull Sun - 8 hours or more of direct sunlight Partial Sun or Partial Shade - 4-6 hours of direct sunlight AM Sun or Morning Sun or Cool Sunlight - cool sunlight but usually in the shade during the heat of the day Light Shade - Bright indirect sunlight for much of the day Filtered Shade - may receive some amount of direct moving sunlight like through trees but usually not for any extended period especially during the heat of the day Shade - no or very little direct sunlight, especially not during the heat of the day. If you do not know your zone you can find it by clicking on the " USDA Cold Hardiness Zones" link here or above. For more on stretching your cold hardiness zones see the " "Growing on the Edge Growing Guide". Our zones do not always agree but we try to use our own experience as to what can be depended on to return or have known reputable gardens and or horticulturists to reliably grow that plant in zones that are usually colder but sometimes warmer than what other resources have available. Each zone is separated by 10 oF and the map was updated in 2012. And these are averages, here in zone 8B ('A' represents the colder half of a zone and 'B' represents the warmer half of the zone and they are separated by about 5 oF) we have seen single digits but that is the exception but should be noted by the daring gardener. USDA Cold Hardiness Zones were established to give gardeners, horticulturists, farmers, nurseries, and landscape architects a universal way to describe where a plant will survive with regard to average winter lows for a region. Under poor growing conditions plants may be slightly to significantly smaller, whereas excellent growing conditions can produce larger more vigorous plants. Parentheses are used to indicate that the plant can potentially reach that dimension, although the sizes outside of the parentheses tend to be more typical. Feet are represented by a single quote and inches by a double quote. This is the average expected mature height by width in feet or inches.
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