i germinated my seeds the are cracked but when

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You can plant as soon as you have a tap root but you have to be sure to keep your soil moist and it will just take a little longer for them to break the surface because the tap root will grow more before things push up.

I have planted beans with taproots around 1/16th of an inch to 1/8th of an inch and they grew and grew well. They just took a little longer to break the surface than beans I have planted with longer tap roots.

I know a great grower that doesn’t germ his beans in paper towels or any other external germing system (as in out of soil or growing media) and just plants the beans and keeps the soil/media moist. He has a high rate of success and believes it creates a more vigorous plant.

While I greatly respect his experience and opinion I am not sure it can really create a more vigorous plant since I tend to believe that is related to genetics but there are very fine hairs on tap roots and any handling of the popped beans, no matter how careful you are, may damage some just by the planting of them and that may cause a somewhat slower initial growth and that may be where he came up with a more vigorous plant in that it never has any damage to recover from and seems to be more vigorous. Possibly the vigor is not actually increased but only maximized to what the plant’s genetics will give.

Of course conditions and setup have to be factored in but I am talking about an apples to apples comparison like say germing one or several beans from a pack in say paper towels and the rest right in the soil/media and all growing condition are the same for all the plants.

The popped bean would most certainly break the surface faster than a bean being germed in the soil/media but the initial growth after both have broken the surface may indeed be more vigorous in the plants where the beans were germed in the soil because there was never any, even the slightest, damage done to the tiny hairs on the tap root.




 
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