Dahlia Tuber 'Bohemian Spartacus' - Marshalls Garden
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This guide is for gardeners seeking dramatic, large-scale floral displays. The Dahlia Tuber 'Bohemian Spartacus' offers a key benefit of enormous, uniquely patterned crimson and creamy yellow flowers that are excellent for cutting. A potential caveat is its large size, requiring ample space for planting.
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| Model Part Number | 51008184 |
|---|---|
| Brand | Marshalls Garden |
Extended Product Information
FAQs
How large do the flowers of 'Bohemian Spartacus' get?
The flowers can reach an impressive size of up to 25cm across, earning it the 'dinnerplate dahlia' classification.
When should I plant the Dahlia Tubers?
Plant the tubers outdoors after the danger of frost has passed in your region, typically in late spring when the soil has warmed up.
Do I need to dig up the tubers in winter?
Yes, in climates with freezing winters, it is recommended to dig up the tubers after the first frost, allow them to dry, and store them in a cool, frost-free place until replanting the following spring.
What kind of soil is best for this dahlia?
Dahlias prefer well-drained, fertile soil. Amending heavy clay soil with compost can improve drainage and aeration.
Can I grow this dahlia in a container?
Yes, 'Bohemian Spartacus' can be grown in large containers (at least 40cm in diameter) with good drainage, provided it receives ample sunlight and regular watering.
How tall will the 'Bohemian Spartacus' dahlia grow?
This variety typically grows to a height of 90-120cm, making it a tall and commanding plant in the garden.
Are these flowers good for cutting?
Absolutely. The large size and dramatic appearance of the 'Bohemian Spartacus' blooms make them excellent and highly prized cut flowers for arrangements.
Troubleshooting
Tuber fails to sprout
Ensure the tuber was planted correctly (eyes up), in soil that is warm enough and adequately moist. It may take several weeks to emerge. Check that the tuber has not rotted from overwatering.
Plant is leggy and weak
The plant may not be receiving enough sunlight. Ensure it is in a location with at least 6-8 hours of direct sun daily. Lack of nutrients can also contribute; consider a balanced fertilizer.
Flowers are smaller than expected
This can be due to insufficient nutrients, inadequate watering, or overcrowding. Ensure the plant has enough space, water, and is fed regularly. Pinching out the central growing point early can encourage bushier growth and larger blooms.
Leaves are yellowing
Yellowing leaves can indicate overwatering (leading to root rot) or nutrient deficiency. Check soil moisture levels and consider a balanced fertilizer if the soil is well-drained.
Pros and Cons
Pros
- Produces exceptionally large and visually striking flowers.
- Each bloom has a unique, attractive color pattern.
- Excellent longevity in the garden and as cut flowers.
- Provides a long flowering season from midsummer to frost.
- Adds dramatic height and color to borders and large containers.
Cons
- Requires significant space due to its large plant size.
- May need staking to support heavy blooms.
- Requires a sunny location and well-drained soil for optimal growth.
- Tuber planting needs specific timing and conditions.
Setup, Compatibility & Care Instructions
Planting:
- Choose a location with full sun (at least 6-8 hours of direct sunlight daily) and well-drained soil.
- Plant tubers after the last frost date in your area, typically in late spring.
- Dig a hole approximately 15-20cm deep and place the tuber with the eye (or growth points) facing upwards.
- Space tubers 40-50cm apart to allow for full growth.
- Backfill the hole with soil and water gently.
Support:
- Due to their large size, 'Bohemian Spartacus' dahlias may require staking or other support structures to prevent stems from breaking under the weight of the blooms, especially in windy conditions. Install supports at planting time to avoid damaging roots later.
Watering & Feeding:
- Water regularly, especially during dry periods, ensuring the soil remains consistently moist but not waterlogged.
- Feed with a balanced liquid fertilizer every 2-4 weeks once the plant is established and actively growing.
Care:
- Deadhead spent flowers regularly to encourage more blooms.
- In autumn, before the first hard frost, cut the stems down to about 15cm above the ground.
- Carefully lift the tubers from the soil and allow them to dry for a day or two before storing them in a cool, dry, frost-free place (e.g., peat, sawdust, or newspaper) for the winter. Replant them the following spring.
Compatibility:
- This variety is suitable for large borders, cottage gardens, and large containers.
- It pairs well with other tall-flowering plants that appreciate similar growing conditions.