When it comes to our beloved Dahlias, they're the true stars, and we want to share some tips on how to make them flourish in your space.
Dahlia Tuber Planting Guide
If you are unable to plant immediately, open each bag to allow moisture to escape. Place in a cool, dry place where the temperature remains between 45-55 degrees.
Finding Your Space & When
First things first, Dahlias adore well-drained, rich soil. We stick ours right in the spotlight of full sun, at least 8 hours a day. If your area leans towards the shady side, Dahlias might not be the best fit as they crave that daily dose of sunshine. On our farm, dealing with heavy clay soil led us to the magic of raised beds for optimal drainage. You can make or buy one or just pile up dirt to lift those tubers above ground level, preventing any unwanted soaking. Don't rush the tuber planting; wait until the ground hits 60F and no threat of frost. We usually plant around Mother’s Day here in the PNW. The last thing we want is for those tubers to rot!
Spacing and How To Plant
Spacing and planting "eye up" is the key. Dig a hole 4-6” deep, lay the tuber sideways, making sure the growing eye is facing up, and then tuck it in. Dahlias are a bit particular about their personal space, so grant them 12” between plants. If you're dealing with the bigger varieties, be generous and stretch that to 18”. Let them stretch out comfortably, petals and all.
Watering, Pests, Staking & Cutting
Wait until those first green shoots come out of the soil, then start a deep watering routine. Home gardeners, aim for 2-3 times a week. But don't let the soil get too dry. The roots need some water to do their thing. We just don't want to deep water at this stage.
Protect young plants from slugs, snails, and flower-damaging earwigs by applying bait at planting time and periodically thereafter. Sluggo Plus is safe for both children and pets and effectively combats all three pests.
Staking is essential! Those tall stems need support. Wooden stakes and twine are a good option, creating a cozy corral for your Dahlias. Forget the fuss of netting and keep those beauties standing tall.
Want those Dahlias to keep showing off? Cut them regularly for more blooms. Harvest in the morning, and if the petals look papery or brown, they're past their prime. Deadhead for continuous growth.
Digging & Storing for Winter
Winter is coming, and Dahlias need a break. Dig them up after the last frost, let them air dry, and store in a cool, dark spot between 40-50 degrees. Avoid freezing – they're not fans. Check on them throughout winter, and come spring, get ready to let them shine again. If you live in an area with warmer winters, you can always leave your tubers in the ground.
Got questions? Shoot us a message at hello@phloraflowerfarm.com.
Happy growing, and may your Dahlias bloom endlessly!