Can't seem to be able to figure out how to add the names of each plant in my landscape photos. Cannot tag the pic with IPad. Cannot click and drag per directions. Anyone can help ?

There are hydrangeas hortens big leaf
Quaking Aspen Populus tremuloides
Dahlias pink flower
Dahlia Red flower
Liatris spicata 'Blazing Stars'
Weeping Elm Ulmus glabra 'Camperdownii'
Amaranthus
Spanish lavender Lavandula stoechas,
Tall bearded Iris
Siberian Iris
Japanese Maple Acer palmatum 'dissectum
rhododendron red flowers
Douglas fir Pseudotsuga menziesii