The nectar rich flowers of My Castle lupine are an intense shade of red. The 36 to 40 in. tall plants bloom the first year when started early and attract plenty of hummingbirds and butterflies.
Performance is best in rich, moist soil in sun or part shade. Plants are deer and rabbit resistant. My Castle lupine prefers mild temperatures, and can be grown as a fall planted hardy annual where summers are hot. Winter hardy to zone 4.
Growing My Castle Lupine Seeds
Plant Lupine Seeds: Chip lupine seeds with nail clippers, or soak in warm water overnight prior to sowing. Sow in peat pots or cell packs, and lightly cover. Kept at 65-75°F., germination averages 14-21 days. Can direct sow lupine seeds into the garden in groups of 3 or 4 seeds, spaced 24-36 in. apart. Thin to the strongest plant.
Grow Lupine: Sun or part shade. Will flower the first year when started early. Plants prefer rich, moist soil, and mild temperatures. In hot summer areas lupines are grown as annuals; they are planted in October to flower in March and April. Plants resist deer and rabbits. Nectar rich flowers attract butterflies and hummingbirds.
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We guarantee all the seeds we sell for one full year from the date of purchase. If you are unsatisfied with any seeds purchased from Swallowtail Garden Seeds, we will issue a refund. For customers in the U.S., we can send one-time replacement packets or issue a refund.