Nice!
I may try a spoonfull of vermiculite, then the seed, then more vermiculite.
If you don't want to chop up a hose, clear Tygon tubing is usually sold by the foot in hardware stores.
I plant out seedling from inserts or small pots without bending by using a short-handled spade with a narrow blade (trenching spade or "sharpshooter spade").
It's handy for digging the hole, then I put the seedling and root ball onto the spade, position the spade beside the hole, and then tilt it untill the seedling slides in.
I can nudge the seedling upright against one wall of the hole using the spade.
Then I use the spade to push soil aginst the root ball until it's fixed in place, and firm down around it.
It also provides several extra feet of "reach", so even limber folks might consider using it!
