How to Fertilize equal-leaved penstemon?
Balanced diluted fertilizer monthly from spring to mid autumn
equal-leaved penstemon · Fertilizing
equal-leaved penstemon · Penstemon isophyllus
Grow in fertile, well-drained soil in full sun or partial shade. In cold areas, protect plant overwinter with dry winter mulch
Watering: Water deeply when top layer dries, good drainage mandatorySunlight: Full sun · Partial shadeInformation to be completed