Benable — create shareable lists of things you recommend!
E.g., products you love, local businesses, travel recs - you can add anything to a Benable list!
Dahlia Tubers I Planted in Spring That Gave Me Giant Blooms by August
42
items Staring at a bare garden bed in April wondering if you actually have what it takes to grow dahlias from tubers? I was right there. Killed two batches before I figured out the soil, the stakes, the timing, all of it. This is the exact lineup of tubers...
Sections
7
Dahlia Tuber Varieties That Actually Survived My Zone 6 Garden
Soil and Amendments That Stopped My Tubers From Rotting
Staking and Support So Blooms Don't Snap in the Wind
Watering Setup That Kept My Dahlias Alive During a Heatwave
Pest and Disease Control Before They Wreck Your Blooms
Cutting and Arranging Tools for Bringing Dahlias Inside
Dahlia Tuber Varieties That Actually Survived My Zone 6 Garden
I lost count of how many tuber packs rotted in cold soil before I landed on varieties that could handle a late frost scare. These six came back strong even after a rough May.
Grab this if you want a wild mix of colors without committing to one shade. I planted these along my fence line and by July it looked like a paint store exploded in the best way. Perfect for anyone who can't make a decision at the garden center.
Dahlia Bulbs in Plant Bulbs - Multicolor(16)
Try this one if you've seen those blush-toned wedding bouquets on Pinterest and thought you could never grow that. Planted mine mid-April, had blooms the size of my hand by August. My neighbor literally stopped her car to ask what they were.
Cafe au Lait Dinner Plate Dahlia - 1 Top Size Root Clump
Use these when you want blooms so big people think they're fake. Seriously. My mom FaceTimed me convinced I bought them at a craft store. They need staking early though, learned that after one toppled over in a rainstorm.
National Plant Network Dahlia Dinner Plate Mixed Bulbs
Snag this smaller pack if your garden bed is tight. I squeezed four into a raised bed and still got massive flowers. Great starter set for anyone who just built their first raised bed and wants instant drama.
Expert Gardener Dahlia Dinnerplate Mix Plant Bulbs
Get these if you're tired of pink-and-white everything. The deep purple against my green foliage made the whole yard look intentional for once. They bloomed about two weeks later than my other varieties but worth the wait.
Shop Dahlia Bulbs for Vibrant Garden Blooms
Pair these with the purple ones for a moody, rich look in your cutting garden. I brought a bunch inside for a dinner party and three friends asked where I bought them. Nope, grew them in my backyard, thanks.
Shop Dahlia Bulbs for Vibrant Garden Blooms
Soil and Amendments That Stopped My Tubers From Rotting
Two springs in a row I lost tubers to soggy, clay-heavy soil. Once I fixed the drainage situation, everything changed overnight. Well, over a few weeks.
Swap out whatever dense soil you've been using. I mixed this into my clay-heavy beds and my tubers finally stopped turning to mush. If your yard holds water like a swimming pool after rain, start here.
Miracle-Gro Performance Organics All Purpose In-Ground Soil
Toss a few handfuls into each planting hole. Sounds extra but this is what finally gave my tubers breathing room underground. Before perlite, I was basically planting them in a swamp.
Espoma PR8 8-Quart Organic Perlite
Use this once your shoots are about six inches tall. I skipped fertilizer my first year and wondered why my blooms were the size of golf balls. Night and day difference once I started feeding them every three weeks.
Dr. Earth Flower Girl Premium Bud & Bloom Booster Plant
Keep this on hand for mid-summer when your plants look tired. I mix it into my watering can every other week starting in July. My second flush of blooms was actually bigger than the first because of this stuff.
Miracle-Gro Water Soluble Bloom Booster Flower Food
Try this if your soil test comes back acidic. Dahlias like it slightly neutral and I was fighting an uphill battle until I corrected my pH. One bag treated my entire 4x8 raised bed.
Espoma Organic Garden Lime 5 lb Fertilizer
Dig a bag of this into your beds a week before planting. Smells rough for a day, then it's fine. My tubers rooted faster and pushed up shoots almost a full week earlier than the bed where I skipped it.
Customer reviews for Black Kow Compost Cow Manure
Staking and Support So Blooms Don't Snap in the Wind
Nothing worse than growing a perfect dahlia for three months and watching it snap sideways during a thunderstorm. I learned this the painful way in year one.
Get these in the ground the same day you plant your tubers. I waited until my plants were two feet tall and broke a stem trying to wrangle them. Lesson learned, stake early while you can still see where the tuber is.
Gardener's Blue Ribbon ST4BULK Bulk Sturdy Stakes
Swap out those flimsy twist ties for these. They stretch as the stem thickens so you're not strangling your plants. I reuse the same strips year after year, just rinse and store them.
VELCRO ONE-WRAP Garden Ties, 50 ft x 1/2
Use these around your bushier dahlia varieties. I know they say tomato cage but my ball dahlias grew right through the rings and stayed upright through two nasty storms last July.
Gardener's Blue Ribbon TMC60 Ultomato Tomato Fruit
Grab a big pack of these for your smaller dahlia varieties. I stick one behind each plant and loosely tie them. Way cheaper than buying fancy metal stakes and they blend right into the garden.
Bond Mfg P-Packaged Bamboo Stakes- Green 4 Foot/25
Keep a roll of this in your garden bag for quick ties. Softer on stems than wire and it eventually biodegrades so you're not picking plastic out of your beds in fall. I go through about one roll per season.
Hyper Tough 800 Feet Jute Twine Natural
Use this for heavier dinner plate stems that need a firmer hold. The green coating disappears against the foliage. I wrap it in a figure eight between the stake and stem so there's a little cushion.
Green Garden Wire 2mm- 100 Feet Garden Plant Ties
Watering Setup That Kept My Dahlias Alive During a Heatwave
July hit 98 degrees for a straight week last year. Hand-watering wasn't cutting it anymore. These kept my dahlias hydrated without me standing outside melting every evening.
Lay this along your dahlia row and forget about it. I set mine on a timer for 30 minutes every morning. Before the soaker hose I was out there with a watering can like some kind of Victorian gardener, losing the battle.
Fiskars Gilmour Flat Weeper Soaker Hose, 50 feet
Pair this with the soaker hose and your mornings are free. I set mine for 6 AM so the soil is damp before the sun gets brutal. Saved my dahlias during that awful heat dome last summer.
ORBIT 62061Z | 1-Outlet Programmable Hose Faucet Timer
Stick this into the soil before you water. I was overwatering half my bed and underwatering the other half. This little probe told me exactly which spots needed attention. Costs almost nothing and prevents root rot.
Miracle-Gro Water Storing Crystals
Try these if your dahlia bed is oddly shaped and a soaker hose won't reach everywhere. I added emitters near my corner plants that were always dry. Took ten minutes to install and those plants finally caught up.
Orbit 10pk 2 GPH Drippers for Drip Irrigation
Ditch whatever kinked-up hose is frustrating you. This one actually bends without cutting off water flow. I drag it across my yard daily and it's survived two seasons without a single leak or crack.
Flexzilla, Garden Hose, 5/8 in. x 50 ft., Hybrid Polymer
Use this for foliar feeding and pest control. I fill it with diluted fertilizer and mist the leaves every couple weeks. Way easier than hauling a full watering can around, especially if you have 20 plants like I do.
Chapin 20002 2 Gallon SureSpray™ Garden Pump Sprayer
Pest and Disease Control Before They Wreck Your Blooms
Aphids showed up on my dahlias like uninvited party guests every single June. Powdery mildew followed right behind. Here's what actually worked without nuking my beneficial insects.
Spray this at the first sign of aphids. I caught them early on my Cafe au Lait leaves and two applications cleared them out completely. Wait too long and you'll be fighting a losing battle, so check your plants weekly.
Natria, Neem Oil, Ready-to-Use, 24 fl oz, Gardening
Keep a bottle of this next to your garden gloves. It's gentle enough that my ladybugs survived but the aphids didn't. I spray the undersides of leaves where those little jerks like to hide.
Safer, OMRI Listed Insect Killing Soap Concentrate, 16 fl oz
Grab this for earwigs and thrips that chew holes in your petals. Nothing more annoying than growing a perfect bloom and finding it full of tiny holes. One spray in the evening, problem solved within days.
Bonide Captain Jacks Deadbug Brew® 16 oz. Organic
Dust this on at the first white spot of powdery mildew. I ignored a small patch last year and it spread to six plants in a week. Prevention is so much easier than treatment with this stuff.
6-pack Bonide Sulfur Plant Fungicide Powder
Scatter pellets around your dahlia bases if you're finding slime trails. Slugs demolished three of my tuber shoots overnight before I started using this. Safe around pets too, which was a big deal for me.
Monterey, Wildlife Safe Slug and Snail Killer Powder, 2.5 lbs
Use this sparingly as a last resort for heavy infestations. I had a Japanese beetle invasion one July that nothing else touched. A light dusting on the leaves and they were gone within 48 hours.
Sevin Dust vs Sevin 5% Dust. Will this still be effective
Cutting and Arranging Tools for Bringing Dahlias Inside
Growing dahlias and not cutting them for the house is honestly a waste. Once I started bringing them inside, I realized I needed sharper tools and better vases than what I had.
Get a sharp pair and cut stems at a 45 degree angle early in the morning. My blooms lasted five days longer in the vase once I stopped using dull kitchen scissors that crushed the stems. Huge difference.
Fiskars Steel Bypass Pruning Shears
Grab a couple of these in different sizes. Dinner plate dahlias look incredible in a simple clear cylinder, you don't need anything fancy. I keep three on my dining table all August.
Better Homes & Gardens 9.8" Pink Ribbed Glass Vase
Toss a packet into your vase water every time you cut fresh dahlias. My blooms used to wilt in two days. With this stuff they last close to a week. Stock up before your first big cutting session.
Chrysal Clear Universal Flower Food - Fresh Cut Packets
Use these in wider vessels to keep stems exactly where you want them. I made a centerpiece for my sister's birthday dinner that looked like it came from a florist. She still talks about it.
OASIS® Forage Floral Foam, Brown, 2 pack
Keep these for deadheading spent blooms right on the plant. Smaller and more precise than regular shears. Deadheading regularly is what triggers more blooms, so these pay for themselves in flowers.
Fiskars Softgrip Micro-Tip Pruning Snip - Pack of 9
Pair a single dahlia stem with some greenery in a mason jar for a simple arrangement. I line five of these down my kitchen windowsill and it makes the whole room feel alive. Cheap, easy, works every time.
Ball, Glass Mason Jars, 32 oz, Wide Mouth, with Lids
Fall Storage Supplies to Save Tubers for Next Year
Throwing away dahlia tubers in fall and rebuying every spring was burning a hole in my wallet. Once I figured out proper storage, I've been replanting the same tubers for three seasons now.
Pack your tubers in this for winter storage. It keeps them dry without sucking out all the moisture. I lost a whole batch to sawdust one year because it dried them into little hockey pucks. Vermiculite is the move.
Horticultural Grade Vermiculite - One 8 Quart Bag ~2.5 Lbs
Use one box per dahlia variety and label it. I used to dump everything in one bin and had no idea what color was what come spring. Separate boxes, separate labels, zero confusion.
STERILITE 6-Quart Storage Bin Shoe Box - Clear (6)
Dig around each dahlia clump carefully in fall. I stabbed through two tubers with a shovel my first year. A fork lets you loosen the soil gently and lift the whole clump out intact.
Fiskars 333400-1001 47" Ergo D-handle Steel Garden Fork
Write the variety name directly on each tuber with a Sharpie before storing. Sounds old school but it works. Tags fall off, labels peel, but Sharpie on a tuber lasts all winter in my garage.
Sharpie Permanent Markers, Fine Point
Wipe down your cutting tools between each clump when dividing tubers. I skipped this step once and spread a fungal issue across half my collection. Takes ten seconds and saves you from a nightmare.
Clorox Disinfecting Cleaning Wipes, Bleach Free
Use a clean blade to divide large tuber clumps in fall. Each division needs an eye, which is the little bump where new growth sprouts. I get 3 to 4 new plants from every clump, so my garden doubles each year for free.
Hyper Tough Retractable Utility Knife With 5 Utility Blades