Fertilize established geraniums monthly from midsummer to fall. Most gardeners buy geraniums as inexpensive bedding plants, set out in spring as soon as danger of frost has passed.
Harvesting Gather sprigs as needed in the kitchen. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Thyme Aphids (General) Slug Snail Frost tolerant Very winter hardy.
Plant the corms 4in (8cm) deep. Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area. Cultivate the soil to at least 12in (30cm) deep, and digging in a balanced organic fertilizer and a generously amount...
But when rainy weather forces them to seek dry shelter, earwigs crawl up into plants and eat leaves. Use a small plastic container with lid, and cut a pencil-size entry hole in the top.
Use a spinosad-based biological insecticide to bring lily leaf beetle larvae under control. Crop Rotation Group Miscellaneous ● Soil Rich, slightly acidic soil with excellent drainage.
Cover seeds lightly with potting soil. They are 2” across and semi-double. 2,800 seeds/oz.; 7-14 days, 60-65°F. The flowers are bi-colored and come in shades of rose, violet, yellow, orange, scarlet and white.
Plenty of 2" blooms arrive in early summer in fluorescent shades of yellow, pink, rose, orange and red with both solid and unique two-toned petals. Stunning in the vase.
Excellent choice for pots, small gardens and edging. A blaze of rich color, each 18" stem produces a flower of a different delectable hue. Prefers well-drained soil. One of the best dahlias from seed.
In our trials, plants bloomed mid-July through to the first hard frost. Under normal to optimal conditions, seeds germinate readily, and plants grow quickly. When seedlings have true leaves, transplant into larger cell packs.
The pinwheeled blooms of 'Pennhill Watermelon' Dinner Plate Dahlia are frilly and feminine and oh so fabulous! The pink-a-licious petals twist and twirl, lending a ruffled look to this enormous bloom.
✓ Neonicotinoid-Free
✓ Easy to Grow
Soil Moisture: Average, Well Draining
Flower Size: Up to 12" flowers
Zones: 2, 3, 4, 5, 6, 7, 8, 9, 10
Planting Depth: Bulbs/Tubers should be planted 1-2" below the soil line.
Like other groups, Cactus Dahlias can be of various heights, as long as they have 'cactus' flowers. 'Fire Pot' Dahlia is one of the brightest blooms in the garden! Water lily-like flowers arrive mid summer in a brilliant coral-pink, and open to reveal...
Bulb Spacing: 1 bulb / tuber per sq. ft.
Botanical Name: Semi Dinner Plate Dahlia Firepot
Foliage Color: Green
Planting Depth: Bulbs/Tubers should be planted 1-2" below the soil line.
Unanimous staff favorite! (Dahlia) 'Dinnerplates' are, simply put, the large plants with the huge flowers. Types of Dahlias: These plants have been hybridized into various heights from short bedding plants to tall bushy ones.
Neonicotinoid-Free: Yes
Days to Bloom: Blooms in 56-98 days. (8-14 weeks)
Soil Type: Sandy Soil, Loamy Soil, Acidic Soil
Light Requirements: Full Sun
Bulb Spacing: 1 bulb / tuber per sq. ft.
Planting Depth: Bulbs/Tubers should be planted 1-2" below the soil line.
'Cactus Dahlias' are the ones with the cactus-like blooms, often in super-bright bi-colors, always with the rolled, pointed petals. Growing Dahlias: All the gardener needs to do is plant the tubers after spring frosts in good garden soil with full sun.
✓ Containers
✓ Cut Flowers
Foliage: Serrated oval-shaped green foliage.
Mature Plant Size: 32-36" tall
Common Name: Lady Darlene Dinner Plate Dahlia
Planting Depth: Bulbs/Tubers should be planted 1-2" below the soil line.
The 'bulbs' are actually tubers, and look a lot like peony roots--sort of like a bunch of carrots. The term, 'Dinnerplate Dahlia' is probably the most famous description, and though all gardeners use the term, it is not an official classification.
'Cactus Dahlias' are the ones with the cactus-like blooms, often in super-bright bi-colors, always with the rolled, pointed petals. Growing Dahlias: All the gardener needs to do is plant the tubers after spring frosts in good garden soil with full sun.
Full Sun: Yes
Bulb Spacing: 1 bulb / tuber per sq. ft.
Days to Bloom: Blooms in 56-119 days. (8-17 weeks)
Bloom Time: Summer until frost
Common Name: Otto's Thrill Dinner Plate Dahlia
Planting Depth: Bulbs/Tubers should be planted 1-2" below the soil line.
'Babylon Red' produces showy, crimson red dinner plate-sized blooms that each span up to 8 inches across! A great addition to the cutting garden, this dahlia has it all: picture-perfect petals, sturdy stems and glossy green foliage.
Easy to Grow: Yes
Days to Bloom: Blooms in 56-119 days. (8-17 weeks)
The Sunshine Mixed Dahlia Collection brings bright and radiant blooms to the garden, all ready to bask and bathe in the summer sun. Blooming in shades of yellow and white with just the right touches of coral, this warm-toned set delivers full, lush flowers...
The 'bulbs' are actually tubers, and look a lot like peony roots--sort of like a bunch of carrots. The term, 'Dinnerplate Dahlia' is probably the most famous description, and though all gardeners use the term, it is not an official classification.
✓ Containers
✓ Attract Hummingbirds
Soil Moisture: Average, Well Draining
Additional Information: Perennial in zones 8-10. Annual in zones 3-7.
The blush-colored blooms are centered with a hint of creamy yellow, making them a luscious addition to summer bouquets. This beauty looks extra lovely when partnered with light blue delphinium, soft yellow coreopsis, or lavender.
✓ Attract Hummingbirds
✓ Attract Butterflies
Soil Moisture: Average, Well Draining
Poisonous or Toxic to Animals: Tubers and leaves are toxic if eaten in large amounts.
'Cactus Dahlias' are the ones with the cactus-like blooms, often in super-bright bi-colors, always with the rolled, pointed petals. Growing Dahlias: All the gardener needs to do is plant the tubers after spring frosts in good garden soil with full sun.
The always-double flowers are up to 8', sometimes a whopping 10' across, so the name makes sense. But they are officially categorized by flower type or shape. The term, 'Dinnerplate Dahlia' is probably the most famous description, and though all gardeners...
✓ Containers
✓ Attract Hummingbirds
✓ Neonicotinoid-Free
Flower Size: 4-6" flowers
Common Name: Hayley Jane Cactus Dinner Plate Dahlia
The 'bulbs' are actually tubers, and look a lot like peony roots--sort of like a bunch of carrots. The term, 'Dinnerplate Dahlia' is probably the most famous description, and though all gardeners use the term, it is not an official classification.
Plant in full sun for non-stop blooms until frost appears. Read our Growing Dahlias page The Radiant Dinner Plate Dahlia Collection showcases a rainbow of oversized blooms, with each one opening up to almost a full foot across! These enormous flowers...
✓ Attract Butterflies
✓ Containers
Zones: 2, 3, 4, 5, 6, 7, 8, 9, 10
Soil Type: Sandy Soil, Loamy Soil, Acidic Soil
Common Name: Radiant Dinner Plate Dahlia Collection
Additional Information: Perennial in zones 8-10. Can be grown as annuals in zones 2-7.
The 'bulbs' are actually tubers, and look a lot like peony roots--sort of like a bunch of carrots. The term, 'Dinnerplate Dahlia' is probably the most famous description, and though all gardeners use the term, it is not an official classification.
'Gallery Dahlias' are a newer group of shorter plants with flower-types of the Decoratives and Cactus groups. (If you've grown perennial Delphiniums, the plant size and growth is similar, but success with Dahlias is much easier.) Keep them free of bugs,...
Full Sun: Yes
Foliage: Serrated oval-shaped green foliage.
Planting Depth: Bulbs/Tubers should be planted 1-2" below the soil line.
Poisonous or Toxic to Animals: Tubers and leaves are toxic if eaten in large amounts. Toxic to dog, cats and horses.
The 'bulbs' are actually tubers, and look a lot like peony roots--sort of like a bunch of carrots. The term, 'Dinnerplate Dahlia' is probably the most famous description, and though all gardeners use the term, it is not an official classification.