Silk Cemetery Flowers Is There An Environmentally Friendly Substitute For Silk Flowers?

Is there an environmentally friendly substitute for silk flowers? - silk cemetery flowers

Many relatives are buried in cemeteries can not be removed and disposed of in the fresh flowers on the graves of turning silk flowers, but also at the age of landfill sites. These cemeteries do not allow flowers or shrubs are planted, as it is in the way of mowing lawns.

Are there alternatives?