: Removing spent blooms in early summer can encourage a second flush of flowers later in the season.
: Achieved in acidic soil (pH below 6.0). To reach these tones, use a soil acidifier like aluminum sulfate or elemental sulfur. 3. Routine Care & Maintenance
: Its compact nature makes it perfect for pots (15–18 inches wide) for patios. 2. Mastering the Color (pH Science) Summer Crush
: Common in extreme heat, even if the soil is moist. It usually recovers as temperatures drop in the evening.
: Summer Crush needs very little pruning . Only remove dead wood in the spring once you see new green growth. : Removing spent blooms in early summer can
: Apply a slow-release, high-phosphorus "bloom boost" fertilizer (like Flower-tone ) twice a year: once in early spring and again in June or July. Avoid high-nitrogen fertilizers, which encourage foliage growth at the expense of flowers.
The "Crush" in its name comes from its intense colors, which you can manipulate by adjusting your soil's pH: Mastering the Color (pH Science) : Common in
: In colder zones (4-5), protect flower buds from harsh frost by piling 12 inches of mulch, leaves, or straw around the base in late fall. Common Troubleshooting