A new rose plant grows from rose cuttings(stem cuttings).
You can get more of your favorite dahlias by grafting.http://www.gardenersworld.com/how-to/projects/video-projects/how-to-take-dahlia-cuttings/104.html
Through stem cuttings
Yes.
Yes, if you have the proper age plant and the proper conditions for rooting the cutting. some plants are much easier to root than others. At the nursery where I work, cuttings are dipped in rooting hormone and propagated in a greenhouse with high heat and humidity and cuttings root very fast given these conditions.
Will my lavatera grow in a shady area under a large confer with acidic soil
The scientific or taxonomic name would be Lavatera trimestris.
No but you can take cuttings.
yes
The plant had to germinate before I could take cuttings from it.
To take cuttings of a smoke tree, first wait until the summer months before damaging the bark of the tree. Then, cut sections of the bark and branches that are about four to six inches in length.
Oak trees will not grow from cuttings they grow from seed or are grafted.
Rhododendrons are difficult to propogate from cuttings, they are usaually done by layering or grafting. If you want to try cuttings July is around the best time.
Concrete cuttings can vary in price. The price for concrete cuttings ranges from $600 to $4,500, and possibly more. These can be bought from Baily's Online and Neobits.
Aciphylla should be grown from seed.
Dogs trust website has list of poisonous plants to dogs and it says the Mallow species Lavatera is in large amounts digested. my dog eats the leaves every moment he gets. so plant will have to go as dog has liver problems diet not helping yet.
Not that I've heard of. Only tip cuttings which are tricky at best.