That makes the vessels narrower. Eventually, a narrowed coronary artery may develop new blood vessels that go around the blockage to get blood to the heart. However, if youâre pushing yourself or stressed, the new arteries may not be able to bring enough oxygen-rich blood to the heart muscle.
Corn needs a spot with that gets full sun and has fertile, well-drained soil with a pH of 6.0 to 6.8. Seedlings can be set out as soon as the last spring frost has passed. Space plants 8 to 12 inches apart. In case of a surprise late frost, be prepared to cover seedlings with a fabric row cover.
Starting corn seeds indoors is not recommended. Plant seeds outdoors two weeks after the last spring frost date. Make sure soil temperature is above 60 degrees F for successful germination. (Up to 65 for super sweet varieties.) In colder zones, the ground can be warmed by a black plastic cover if necessary. Plant seeds through holes.