Problematic vegetation should be killed and plowed under before planting with an application of a pre-emergent herbicide (i.e. BASF's Prowl or DOW's Treflan). These herbicides allow sunflower seedlings to germinate and grow without pesky grasses and weeds sucking up sunlight and soil nutrients.
How long does it take Clearfield sunflowers to mature?
110 days
What is the seed rate of sunflower per acre?
Seeding rates can be from 15,000 to 25,000 plants per acre. Sunflower seeds vary in size, so seeding rate based on weight must take into account seed size, but will be roughly 3 to 4 pounds per acre.
When should sunflowers be planted?
spring
How do you plant sunflowers for deer?
I typically plant my sunflowers seeds around 1 to 1.5" deep in well drained soil. A 30" row spacing with a seed population of approximately 25-30,0000 seeds per acre and a plant spacing of between 7-8" will yield good sized sunflower heads with plenty of seeds.
How do you plant a field of sunflowers?
https://www.youtube.com/watch?v=1wPSIReXZYU
What do sunflowers look like when they are ready to harvest?
Sunflowers are ready to harvest when their foliage turns yellow, the petals die down and the seeds look plump.Oct 12, 2016
How do I know when my sunflowers are ready to flower?