best PH soil for Pentas

Question

What ph is best for Pentas(perennial) growing in cinderblock planter troughs in south FL? They are under a porte cochere and get litte sun. Is there a better perennial flower for a shaded area?

Answer 1

The optimal pH range is 5.5 to 6.5. These are best suited for sunny areas but will still grow in shade. This article will help with the care of these: https://www.gardeningknowhow.com/ornamental/flowers/pentas/growing-penta-plants.htm

This article will give you alternatives that will do well in your area: https://www.gardeningknowhow.com/garden-how-to/gardening-by-zone/zone-9-10-11/zone-9-shade-plants.htm