The climatic conditions for growing hemp flower are just about as good as it gets with average humidity in the summer months and warm temperatures which are conducive to delivering bumper crops. Rainfall is also ideal in the state which should easily deliver the preferred 10-12 inches preferred by the hemp plant in a season.
Soil conditions are also favorable for plants to produce long tap roots to draw nutrients buried deep underground. The long, sunny South Dakota summers are also conducive to optimal hemp flower growth. Under these conditions, full germination from seed can be expected in just 3 to 5 days and the plants will grow between 7 and 10 cm per day until harvest.
Plant Hardiness Zone(s)
This USDA defines plant hardiness as the ability of a given species to grow in specific regions, based on their average temperatures. The hardiness zones for South Carolina range from 3b to 5a.
This is an indicator of the number of days where the weather in a given region is expected to exceed 86 degrees Fahrenheit. Depending on the part of the state you are in, the range is from Zone 1, which is less than one day, to Zone 7, which is between 61 and 90 days.
Length of Growing Season
Depending on the zone that you are growing in, the growing season may begin as early as April and end as late as October. Since growing hemp flower has not been officially allowed in the state as of yet, specifics about this plant are not available at this time.
Average Annual Sunlight
The average number of days when the sky is mostly clear is in the 200-230 range. The number of days of sunny weather is nearly equal to the days when it is only partially sunny.
Average Annual Precipitation
The average precipitation in the northwest part of the state is around 15 inches, while the southeast part of the state averages around 25 inches. The Black Hills area is the exception, with an average precipitation of 30 inches.
The lowest point of the state is at 966 feet above sea level; the highest is 7,242 feet.
The pH range for most soil in the state of South Dakota is 6.0 – 8.0, but there is a chance that higher and lower values may be recorded.
The state has its own specific type of soil that is different from other areas. The composition is as follows:
- Surface layer
- Loam that is dark gray-brown
- Subsoil – upper
- Clay loam that is dark gray-brown
- Subsoil – middle
- Clay loam that is gray-brown
- Subsoil – lower
- Clay loam that is light olive brown
- Clay loam that is light yellow-brown
While there are other soil types in the state, this is the one that is the most common.
There are numerous pests in the area, but these five are more bothersome than others:
– Colorado Potato Beetles
– Japanese Beetles
If you have plans to grow hemp flower in the state, it is important that you know how to handle all of these pests. Otherwise, there is a huge chance that you will have multiple problems with them when you are planting and attempting to harvest your plants.
Obtaining A Hemp Flower Grower’s License In South Dakota
Under federal law, it is illegal to grow hemp flower anywhere in the United States without first obtaining a grower’s license from the appropriate regulatory body for the state in which the interested party intends to plant the crop. For information on the legal status of hemp in South Dakota, as well as a breakdown of the application process, click here. Read about hemp legality by state.