Experts and BHG readers answer.
Foxglove and Delphinium
You can grow the foxglove from seed but it won't flower this year. It will flower next year, on a 2-year cycle, which is what makes it a biennial. The delphinium you speak of: is it larkspur? That's an annual that has been called delphinium in the past. Its Latin name is Consolida ajacis. The seeds need a cold treatment (such as overwintering) to induce flowering.
Luke Miller, editor
Garden Ideas & Outdoor Living magazine