Hibiscus moscheutos 'Holy Grail' - Swamp Mallow
🌿 Features
Type: Ornamental shrub
Common Name: Perennial Hibiscus
Cultivar: Holy Grail
Flower Color: Deep, vibrant shades
Flower Diameter: 12–15 cm
Mature Height: 150–200 cm
Mature Width: 100–150 cm
Habit: Bushy, upright
Flowering Period: July to October
Exposure: Full sun
Water Needs: Moderate
Soil Type: Well-drained, slightly acidic to neutral
Hardiness Zone: Zone 5 to 9
Drought Tolerance: Good once established
Melliferous Plant: Yes
Attracts Pollinators: Yes (bees and butterflies)
Toxicity to Animals: Non-toxic to dogs and cats
✂️ Care
Very easy to grow. Lightly prune in spring to maintain a balanced shape and encourage abundant flowering. Apply an organic mulch at the base to retain soil moisture.
Balanced fertilization at the start of the growing season prolongs and intensifies flowering.
No staking needed thanks to its naturally strong structure and stable upright habit.
This hardy shrub offers a remarkable visual presence as a hedge, specimen, or focal point, with its deep-toned flowers illuminating the garden from July to October.

