Hello Predrag,
I've seen good queen producers' websites say that they keep the young queens laying in the nucs for 3-4 weeks since this appears to extend their productive lives. But this is for mail order purposes! So if you move your young queens to nearby hives, you may not need to wait this long.
I planted the phacelia seed last year but was disappointed not to see any come up. I checked the pockets and found a few seeds left so I planted them again this summer and have about 4 plants 10-15 cm high! I'll save the seed and plant more.
Hope you are well!
Waldemar
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