23" is the approximate wreath diameter\

Psyllids:Spray foliage on first sighting and repeat as required

Spikes come pre-measured to provide just the right amount of nutrients without surface fertilizer runoff

for edging

Jack's Classic Hydrangea Blue (7-3-3) Size:680g 23" is the approximate wreathHydrangea Blue 7 3 3 is a unique combination of high quality nutrients and aluminum sulfate designed to produce lush leaves and enhance and maintain blue color in many pink and blue varieties of hydrangeas. If the hydrangea is planted next to a concrete foundation or in high alkalinity soil, it will be especially beneficial. It will not change the color of white hydrangea varieties. For use on Enhances blue flowers like lacecap including: blue bird,