My seedling is 3 weeks 3 days old. when should i start LST? pens for size referencing
GigEmGreens Active Member Jun 2, 2009 #1 My seedling is 3 weeks 3 days old. when should i start LST? pens for size referencing
D DaBull Active Member Jun 2, 2009 #2 At least 4" high, but not more than 8" as the plant stem will get too stiff and could break off.
