Mel the hardening-off temps were 1 - 6 degs C. They will grow to 30-40 cm. They are growing well at the moment.
Negative is Positive …What do you think?.. It’s the plethora of negative oxygen ions generated by the crashing water that produces the positive effect. Invisible and unnoticeable as they’re tossed into the air, the negative ions are incredibly powerful. Breathe ‘em in and it’s like recharging your personal batteries. You feel immediately refreshed—you may even feel euphoric. The higher the concentration of negative ions, the better you feel. pic from Yosemite National park.