Companion plants for Periwinkle
Periwinkle blooms from April through June. It wants part shade and low water. The 8 companion pairings below each state why the pairing works.
Taking over as Periwinkle finishes
Beautyberry
Takes part sun to part shade and low to moderate water; overlaps, then carries the display into midsummer; stands well above at 5 ft, a canopy to plant beneath; both are strong pollinator plants.
Goatsbeard
Shares part shade and low to moderate water; overlaps, then carries the display into midsummer; stands well above at 4 ft, a canopy to plant beneath; both offer pollinator forage; this one spreads, so it will crowd its neighbor in time.
Lady's Mantle
Shares part shade and low to moderate water; overlaps, then carries the display into midsummer; both are strong pollinator plants; taller at 1.5 ft, for the layer behind it.
Northern Sea Oats
Shares part shade and low to moderate water; blooms in midsummer as this one finishes; stands well above at 3.5 ft, a canopy to plant beneath; orange against blue, for contrast; this one spreads, so it will crowd its neighbor in time.
Hardy Geranium
Takes part sun to part shade and low to moderate water; overlaps, then carries the display into late summer; both offer pollinator forage; taller at 1.5 ft, for the layer behind it; this one spreads, so it will crowd its neighbor in time.
Blooming alongside
Camellia
Shares part shade and low to moderate water; blooms in midwinter, before this one opens; stands well above at 6.5 ft, a canopy to plant beneath; both are strong pollinator plants, and they feed in different months.
Rhododendron
Shares part shade and low to moderate water; stands well above at 6 ft, a canopy to plant beneath; both are strong pollinator plants.
Lemon Balm
Takes part sun to part shade and low to moderate water; taller at 2 ft, for the layer behind it.