Planting Instructions:
'Blue Mesa' is one of the most cold-hardy corns available for early spring planting. Unlike the common practice of waiting until all danger of frost has past, it was developed to survive planting in the cold, early spring soil. Developed at a 5,000 foot elevation in the mountains of Montana, it is bred to sit in cold, wet soil emerging with amazing vigor when it warms up.
Dave recommends planting by May 15 in the highest elevation where freezes and frost continue into June. In warmer climates plant it earlier.
If you grow without irrigation, it is good to get the corn growing early so that it is well established before mid-summer heat and drought hits. In Harden, Montana we plant on April 15th and harvest it around August 15th as dry grain.
As far as spacing of plants goes, you can do anything with it that you want. There are many ways you can space it, some better than others, but the instructions can get too complicated. The shorter the season the more space it should be given. I would caution that the plants are short and should not be planted where they will be shaded out by taller plants.
I plant my large, dryland acreage with twelve inches between kernels in rows spaced three feet apart. If you irrigate, you can space them closer together. The most common error people make is planting them too closely.
If planting using the "three to four kernels in a hill" method, make sure there is plenty of space between the hills so the plants get water and sunlight. Hill planting has an advantage for survival because you can carry a bucket of water to them. And understand that the kernels are planted on level ground, or in an indentation to catch rain water, and they are only "hilled-up" later in the growing season to lock in the moisture. Do not plant kernels in a mound or hill at the start; the roots will be on top of the ground level. You want the roots to go deep to get water and to support the plant.
All corn varieties need to be planted in a block so that there are neighbors for pollen on all sides. If you plant in a straight row the wind can blow all the pollen away.
Harvest Information:
Pick the ears for dry grain or decoration when the husks are dry and the kernels are hard enough that you cannot make a dent in them with your fingernail. Many people pick the ears too early when kernels are still soft. If this is done they shrivel up and shrink and their beauty is destroyed. They cannot finish maturing once they have been picked.
Even though the ears look dry, there remains moisture deep within the cob. If you were to enclose them in a box, the moisture would cause them to sour and mold. You may let them dry longer on the plants if neither weather nor predators are damaging them. Otherwise hang them up or lay them out in the open until they are completely dry inside.