Royal Blue Sweet Pea
Lathyrus odoratus
Royal Blue Sweet Pea blooms from May through July.
Bloom time
May–Jul
Hardiness
Zones 2–11
Sun
Full sun
Water
Moderate water
Mature size
1.8 m × 0.4 m
Type
Annual
Bloom calendar
When Royal Blue Sweet Pea is typically in flower across the year.
Growing Royal Blue Sweet Pea
Plant it in full sun. It prefers moderate water. It is hardy in USDA zones 2–11. Expect it to reach about 1.8 m tall and 0.4 m wide at maturity, in roughly 1 year.
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Design a garden with this
Drop this plant onto a 3D plan, see how it fills in, and watch your whole garden bloom across the year.