Growth Timeline

 

Red Kidney Bean Growth Timeline, Part 1
Day Observations
0 Dry seed sown

1, 2

Seed swelling, seed coat slips
3 Radicle emergence
4, 5, 6 Radicle growing; primary roots forming; hypocotyl growing
7, 8 Cotyledons starting to poke upward; radicle continues to grow; forming primary roots
9, 10 Cotyledon emergence begins; seed coat sloughing off
10, 11, 12 Unifoliate leaves opening
12, 13, 14 Tiny trifoliate leaf visible on stem apex; Unifoliate leaves expanding
14 Start 100 ppm nitrogen fertilizer - every watering
15, 16 First trifoliate leaf present; unifoliate leaves expanding
16, 17 First trifoliate leaf opening; axillary buds obvious; Second trifoliate present
18

First trifoliate leaf open; second trifoliate opening

19, 20, 21 First trifoliate and second trifoliate leaves continue to expand
21 Up fertilizer to 150ppm N - every watering
22, 23, 24 First and second trifoliate leaves continue to expand; third trifoliate leaf obvious
25, 26 Third trifoliate leaf expands; fourth trifoliate leaf present
25, 26, 27 Check axils of the unifoliate and all trifoliate leaves for bud growth
Red Kidney Bean Growth Timeline, Part 2 Flower Buds Set
Day Observations
27 Floral buds set
32, 33, 34 Floral anthesis
35 Floral senescence; small pod(s) present
36 on

Seed pods will elongate and turn beige and pink as seeds develop and ripen; plants will continue to flower and fruit.

75 on Pods feel papery, easy to crack open to see mature seeds