Dahlias are half hardy, so keep them protected from frost. Pot tubers individually between February and April and grow them on in a greenhouse or bright indoor position. Alternatively, start them outside in May, once the risk of frost has passed.
Out of season
Sunset shades of orange, pink and gold that whisk you to your favourite holiday spot, bringing back treasured memories of balmy evenings, cool cocktails and chance encounters. Boasting soft tones and curving petals, the decorative Dahlia 'Lake Tahoe' creates perfectly formed rosettes of colour that gently bathe the garden with a warming glow. As each bloom unfolds, the colours intensify from bright yellow to a rosy-pink tint at the outer edges of every petal. It's not all about looks though!
Dahlia 'Lake Tahoe' has a neat and bushy habit, growing to around just 90cm with a cloak of lush, green foliage to complement its lustrous flowers. Its compact stems make this beauty particularly useful for bringing a late-summer glow to patio containers where it can really bask in the limelight. Alternatively grow this tuberous perennial towards the front of a sunny border to provide an extra layer of colour in front of taller varieties.
Like all dahlias, 'Lake Tahoe' produces plenty of flowers, so you can always afford to spare few for a vase indoors. In fact, the more you snip, the more blooms will appear, flowering from summer right through to the first frosts of autumn. A sunny spot and fertile, but well-drained soil are all that this decorative dahlia asks for in return for such a vibrant and long lasting display.
Quantity
Plant profile
Plant calendar
For planting out later, use a snug-fitting 15–20cm pot filled with peat-free multipurpose compost. For a patio display, plant directly into a container at least 30cm wide and keep it somewhere bright and frost free until it can move outdoors.
Position the old stem facing upwards, with the tubers covered and the stem stump level with the compost. Tubers naturally vary in size and shape and may arrive without visible buds. Bent necks are usually fine if they remain firmly attached, so do not remove them.
Water after planting, then allow the compost to become almost dry before watering again while the tuber remains dormant. Once shoots and leaves are growing strongly, water more regularly, always allowing excess water to drain away.
Plant out after the last frost, once the plant is around 20–30cm tall and its roots hold the compost together. Space dahlias approximately 30–50cm apart in borders, allowing less room for compact varieties. Water thoroughly after planting.
Water regularly during active growth and deadhead or cut flowers often. Dahlias usually bloom from July or August until the first frost, although later-planted tubers may start in late August or September. In autumn, lift, clean and dry the tubers, then store them somewhere cool, dry, airy and frost free.
- Botanical name
- Dahlia 'Lake Tahoe'
- Flower colour
- Coral, yellow
- Tuber size
- 1
- Established height
- 70cm-1m
- Established spread
- 30-50cm
- Growing skill
- Easy to grow
- Habit
- Upright
- Hardiness
- Half hardy
- Leaf colour
- Green
- Mouse resistant
- No
- Plant spacing
- 5 tubers per m2
- Pollinator friendly
- No
- Position
- Sheltered
- Rabbit resistant
- No
- Scented
- No
- Soil acidity
- Any
- Soil moisture
- Free draining
- Soil type
-
Loam
Sandy
Multipurpose compost
Loam-based compost - Suitable for
-
Large containers
Borders
Gravel gardens
Coastal gardens
Cottage gardens
Low maintenance gardens
Cut flower gardens - Sunlight
-
Full sun
Partial shade - Toxicity
- No report
- Years to establish
- 1st year
Good for cutting
Perennial
Packed in paper
Low maintenance
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Dahlia 'Lake Tahoe' reviews
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