If you don't germinate them, they would probably be able to germinate themselves if put on decent, moist soil. Maybe just step on them and sink them in a little.
If you germinated them they would be much more delicate and need a gentle burying.
What I would recommend is something like this kit: https://www.amazon.com/dp/B00IOL5ZFC/ref=cm_sw_r_cp_apa_i_LVSkFbAAK2B7R
A small hand held hole creator/depth guage, and a seed dispenser. You'd be able to make the hole, drop a seed in it, and close it in a couple seconds. I think this would have good effectiveness.
One question though, why sunflowers? They are pretty, and a good native plant, my only issue is the massive size they get to, and they have a tendency to fall over if unassisted or unwatered. Maybe a smaller variety? I just think they would draw a lot of attention whereas other flowers might not
I go looking on amazon etc you can get done great clay seed bombs for be for £5 in the UK.
Great for gifts Adds a rewarding activity to nature walks Helps save the Bees
- They may have a high mortality rate in transit and are often parasitized
- They fly off when released
- The things that are said to stop them from flying off either don't work or work but are useless
- Even though they are native to North America, not all the subpopulations are genetically identical; even releasing them within their native ranges may cause all sorts of gene contamination issues (like outbreeding depression)
- They easily colonize suitable habitats without human aid
This is why other countries don't understand the US. Very stupid idea compared with using this with a cup or a loosely folded napkin full of seeds:
https://www.amazon.com/JAMESON-BIGSHOT-THROWLINE-LAUNCHER-ARBORIST/dp/B01A8Z4GB0
Cool. If you look at the wildcrafting food book it will give info on medicinal plants too!
I've done plant walks with the author. It's hella cool what can be made into food (or beer! My husband makes nettle or mugwort beer at times!)
Edit: And the elderberries can be made into cough/pancake syrup, dried berries for tea, jam, wine, etc. Has very strong anti-viral properties. Over the counter elderberry syrup is hella expensive when you can just make it on your own.
Also elderflowers are a medicinal too.
There was a book I read awhile ago called Paradise Lot where the guys used certain plants to leech the toxicity from the soil where it had been contaminated by lead, etc.
Super interesting idea!
Well, we used this kind of stuff:
Thickness of a banana is not a problem for this thing, at all. The only condition is a strong enough engine on the whacker.
The rhizomes are a longer fight. Once you kill the mother plant, you'll have to keep at it year by year. Going chemical there will also fuck up other plants, so it should be a last resort only.