Middlesex County All Tolerance Bloom Time Plant and Flower Color Drought Shade Pussy willow Salix discolor Low Tolerant Black willow Salix nigra Low Intolerant Very Early Pin cherry Apr-May Prunus pensylvanica Low Intolerant Black cherry Prunus serotina Medium Intolerant Choke cherry Prunus virginiana Medium Intolerant Common Elderberry Sambucus canadensis Medium Intolerant Black Chokeberry Aronia melanocarpa Medium Tolerant Swamp azalea Early Rhododendron canadense Low Tolerant Apr-May-Jun Azalea Rhododendron viscosum Medium Tolerant Hawthorn Crataegus macrosperma High Intolerant Highbush blueberry Vaccinium corymbosum Low Tolerant Basswood Tilia americana Low Tolerant Early-Mid Leatherleaf May-Jun Chamaedaphne calyculata Low Intermediate Carolina Rose Rosa carolina High Intermediate Virginia Rose Mid Rosa virginiana Low Intermediate Jun-Jul-Aug New Jersey Tea Ceanothus americanus High Tolerant Buttonbush Cephalanthus occidentalis Medium Tolerant Late Meadowsweet Aug-Sep Spiraea alba Low Intermediate Wet Tolerance Bloom Time Plant and Flower Color Drought Shade Pussy willow Salix discolor Low Tolerant Black willow Salix nigra Low Intolerant Very Early Pin cherry Apr-May Prunus pensylvanica Low Intolerant Black cherry Prunus serotina Medium Intolerant Choke cherry Prunus virginiana Medium Intolerant Common Elderberry Sambucus canadensis Medium Intolerant Black Chokeberry Aronia melanocarpa Medium Tolerant Early Swamp azalea Apr-May-Jun Rhododendron canadense Low Tolerant Azalea Rhododendron viscosum Medium Tolerant Highbush blueberry Vaccinium corymbosum Low Tolerant Basswood Early-Mid Tilia americana Low Tolerant May-Jun Leatherleaf Chamaedaphne calyculata Low Intermediate Virginia Rose Mid Rosa virginiana Low Intermediate Jun-Jul-Aug Buttonbush Cephalanthus occidentalis Medium Tolerant Late Meadowsweet Aug-Sep Spiraea alba Low Intermediate Dry Tolerance Bloom Time Plant and Flower Color Drought Shade Black cherry Very Early Prunus serotina Medium Intolerant Apr-May Choke cherry Prunus virginiana Medium Intolerant Black Chokeberry Aronia melanocarpa Medium Tolerant Early Azalea Apr-May-Jun Rhododendron viscosum Medium Tolerant Hawthorn Crataegus macrosperma High Intolerant Carolina Rose Mid Rosa carolina High Intermediate Jun-Jul-Aug New Jersey Tea Ceanothus americanus High Tolerant.