Dirt under my nails and dahlias in my heart. Pick your zone for an approximate planting window.
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Spring-blooming bulbs like tulips go in during fall; spring is for summer bloomers like dahlias and gladiolus. Plant them after your last frost date when the soil has warmed. Enter your USDA zone in Only Blooms for an approximate date.
Wait until after your last frost and the soil has warmed, then plant dahlia tubers about 4–6 inches deep with the eye facing up. Don't water heavily until shoots appear, or tubers can rot. Add a stake at planting time for tall varieties.
A common rule: plant bulbs about 2–3 times as deep as the bulb is tall, pointy end up. Check the package for specific depths. When in doubt, the roots go down.
Lettuce turnip the beet. I'm rooting for you. My garden is very supportive: it's always plant-ing ideas.
Plant a few gladiolus corms every two weeks or so from after your last frost into early summer. Then you'll get flowers in waves instead of all at once. Same bag, way longer show.
Enter your ZIP code on the USDA Plant Hardiness Zone Map website to find your zone. Zones are based on average coldest winter temperatures. Plug it into Only Blooms for approximate planting windows.