Great Blue Lobelia (Lobelia siphilitica) - A late summer blooming and hardy perennial to zone 3a. This species thrives in moist areas and makes a great option for planting near ponds, lakeshores, and low spots in your garden. We have a stand in our heavier clay-loam soils that has thrived. It prefers cool, moist conditions and does not tolerate drought at all, as a result, prolific blooming begins after the heat of summer until very late in the fall. Delicate blue flowers attract butterflies, honeybees, hummingbirds and make a wonderful finale to the growing season. Deer tend to not bother browsing this plant. The floral spikes also make a great cutflower.
200 seeds per packetÂ
Caution: Like other species in the Lobelia genus, Great Blue Lobelia is also seriously toxic to humans and to pets! The customer assumes all liability when purchasing this product.Â
Growing Information:Â Cold-moist stratification required. Mix seeds with moisten soil (vermiculite, perlite or peat moss) and place in a plastic bag and refrigerate for 4-6 weeks. Start indoors 5-6 weeks before the last frost date. Sow seed at 1/8 inch depth and keep moist. Sow directly outdoors in late fall or mid winter.
Days to Germination: 7 - 20
Plant Spacing: 12" (30cm)
Plant Height: 24 - 36" (60 -90 cm)
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Features:
Perennial
Hardiness Zones: 3 - 8
Bloom Time: Late Summer to Fall
Light Requirements:Â Full Sun
Attracts Bees, Hummingbirds & Butterflies
Heat & Drought Resistant
Tolerates Heavy Soils
Great as Cut or Vase Flower
