Seed merchant instructions- I don’t understand!
Can someone explain the odd spacing instructions on so many seed packets? For example, my cape gooseberry packet says that they can go into 9 inch pots or 2 feet apart in the border. I’ve always put them in the border, and the 2 feet separation works fine. But I’m considering using some pots this year because of space issues. I don’t understand why the much smaller capacity in a 9 inch pot will be adequate? Given that a plant in a pot is completely dependent on you for all of its water and feed, why doesn’t it need more volume of growing medium? I’ve noticed this wide variation on many seed packets. The only thing that occurs to me is the competition with neighbours in the border, but even allowing for that, it’s a big difference.
Carmarthenshire (mild, wet, windy). Loam over shale, very slightly sloping, so free draining. Mildly acidic or neutral.