Wisteria macrostachya 'Blue Moon' is a cold hardy native wisteria cultivar prized for its fragrant, cascading blue violet flowers and repeat blooming habit. Less aggressive than Asian wisterias, suitable for controlled use in temperate gardens.
Height & Spread: 15 - 25 ft x 6 - 10 ft
Bloom Time: Late spring with repeat bloom in summer
Light Requirements: Full sun
Soil Preference: Moist, well drained soils; tolerates average to clay soil
Watering Needs: Moderate; water regularly during establishment
Deer Resistance: Moderately deer resistant
Native Status
This cultivar is derived from the native Kentucky wisteria (Wisteria macrostachya), found in the southeastern United States along riverbanks and moist woodlands.
WILDLIFE & INSECTS
Butterflies
- Attracts butterflies such as Eastern Tiger Swallowtail and Red Spotted Purple with its nectar rich flowers.
Bees
- Highly attractive to bumblebees and large carpenter bees during bloom periods, supporting native pollinator populations.
Spacing & Landscape Use
Spacing Recommendations
- Plant 6 - 10 ft apart along trellises or arbors to provide ample climbing space and air circulation.
Landscape Placement
- Perfect for pergolas, fences, and entryways where cascading blooms can be showcased. Can also be trained into small trees with pruning.
Companion Plants
- Clematis virginiana (Virgins Bower) - Offers delicate white blooms and similar climbing habit, pairing well for succession flowering.
- Lonicera sempervirens (Coral Honeysuckle) - Provides early color and pollinator support before wisteria begins blooming.
- Hydrangea arborescens 'Annabelle' - Adds fullness and bold white blooms beneath vertical wisteria displays.
- Phlox paniculata (Garden Phlox) - Offers summer color and attracts pollinators near the base of wisteria arbors.
- Spigelia marilandica (Indian Pink) - Adds bold red and yellow blooms to woodland edges or mixed native beds with wisteria.