https://www.rhs.org.uk/plants/218445/dahlia-spectabilis/details
Find help & information on Dahlia spectabilis from the RHS
dahliaspectabilisrhs
https://pfaf.org/user/Plant.aspx?LatinName=Solidago+spectabilis
Solidago spectabilis is a PERENNIAL growing to 0.5 m (1ft 8in). See above for USDA hardiness. It is hardy to UK zone 7. It is in flower from July to August....
solidago spectabilisnevada goldenrodplant databasepfaf
https://pfaf.org/User/Plant.aspx?LatinName=Alstroemeria+spectabilis
Alstroemeria spectabilis is a PERENNIAL. It is not frost tender. The species is hermaphrodite (has both male and female organs). Suitable for: light (sandy)...
plant databasealstroemeriaspectabilispfaf
https://www.rhs.org.uk/plants/405067/miltonia-spectabilis-royalty/details
Find help & information on Miltonia spectabilis 'Royalty' from the RHS
miltonia spectabilisroyaltyrhs
https://www.rhs.org.uk/plants/19080/watsonia-spectabilis/details
Find help & information on Watsonia spectabilis from the RHS
watsonia spectabilisrhs
https://www.rhs.org.uk/plants/166221/correa-spectabilis/details
Find help & information on Correa spectabilis from the RHS
correaspectabilisrhs
https://pfaf.org/user/Plant.aspx?LatinName=Alstroemeria+spectabilis
Alstroemeria spectabilis is a PERENNIAL. It is not frost tender. The species is hermaphrodite (has both male and female organs). Suitable for: light (sandy)...
plant databasealstroemeriaspectabilispfaf