How to Fertilize penstemon 'Sour Grapes'?
Light balanced feed in spring and early bloom
penstemon 'Sour Grapes' · Fertilizing
penstemon 'Sour Grapes' · Penstemon 'Sour Grapes'
Grow in fertile, well-drained soil in full sun or partial shade. In cold areas, protect plant overwinter with dry winter mulch
Watering: Moderate watering, avoid winter wet around the crownSunlight: Full sun · Partial shadeInformation to be completed