Here in Australia we use hand held suction device. All you need is a small plastic bottle (a urine specimen jar is prefect), about 1m (3ft) of clear plastic hosing, some string. and little piece of panty hose.
Save alot of time collecting gemmae.
Gemmae is produced by the plants only in winter. I find if the plants are keep too warm in winter, they can fail to produce gemmae. With gemmae I find that they establish best in cool, shady conditions. I will make point of mentioning that a South Australian winter is about same as English...
Cannot say I had much problems with moss in my pygmy sundew. I grow my pygmy sundew outdoors. Good air movement and lower humdity will stuff up the moss growth, also you get beautiful colouration on your plants.
True, I found that capensis "alba" (I don't care for albino) tentacles will turn pink in the about same amount light needed to get an 'All red' to colour up properly.
With the flower scape it might be idea to cut it off so the plant put it's energy into growing, not flowering.
Interesting position you are in. I have two stolonifera seedling which grew until Feburary, then went dormant until April and begun growing again. I keep the pot cool and damp thoughout whole period.
I would say that the young plants will throw down tubers in a while and then go dormant. I...