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Wittem Dahlia Tubers

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Planting & Care

Growing ‘Wittem’ Dahlia: What You Need to Know

Planting

  • Dahlias grow from tubers, not seeds. Plant the tubers in spring after all danger of frost has passed.
  • Choose a location with full sun (at least 6-8 hours of direct sunlight per day).
  • Soil should be well-draining and rich in organic matter.

Watering & Care

  • Water regularly, but avoid soggy soil, as dahlia tubers can rot in overly wet conditions.
  • Mulching around the base helps retain moisture and keeps weeds down.
  • Deadheading (removing spent blooms) encourages continuous flowering.

Staking & Support

  • ‘Wittem’ grows to about 3-4 feet tall, so staking is recommended to keep the stems upright, especially in windy areas.
  • Use bamboo stakes, tomato cages, or a flower support net for best results.

Overwintering

  • In colder zones (below USDA Zone 8), dig up the tubers in fall after the first frost.
  • Store them in a cool, dry place over winter and replant in spring.

The Wittem Dahlia Tubers thrives in Zones 8-10

Growing Zones for the Wittem Dahlia Tubers

If you live in the green area above, we recommend the Wittem Dahlia Tubers.
Your Growing Zone
Recommended Zones 8-10
Mature Height 3-4 ft.
Mature Width 12-18 inches
Cannot Ship To AZ, OR
Sunlight Full to Partial Sun
Botanical Name Dahlia 'Wittem'

The Wittem Dahlia Tubers thrives in Zones 8-10

Growing Zones for the Wittem Dahlia Tubers

If you live in the green area above, we recommend the Wittem Dahlia Tubers.
Your Growing Zone
Recommended Zones 8-10
Mature Height 3-4 ft.
Mature Width 12-18 inches
Cannot Ship To AZ, OR
Sunlight Full to Partial Sun
Botanical Name Dahlia 'Wittem'

Description

Wittem Dahlia Tubers: A Classic White Dahlia with Show-Stopping Elegance

If you’re looking for a dahlia that delivers pure elegance, ‘Wittem’ is a perfect choice. With its crisp white blooms, sturdy stems, and excellent vase life, this dahlia is a must-have for anyone who loves cut flowers or wants a garden that looks effortlessly refined.

Why Choose ‘Wittem’ Over Other White Dahlias?

White dahlias are a classic, but not all are created equal. ‘Wittem’ is a fully double decorative dahlia, meaning its blooms are lush, symmetrical, and packed with petals. Unlike some white varieties that have a creamy or yellow undertone, ‘Wittem’ is a true, clean white. The flowers can reach 4-6 inches across, making them large enough to be eye-catching but not overwhelming in floral arrangements.

Many white dahlias have weak stems that struggle to hold up their blooms, but ‘Wittem’ has strong, upright stems that make it a standout for cutting. If you love fresh bouquets in your home, you’ll appreciate how long these flowers last in a vase—often over a week with proper care.

Garden Impact: Where ‘Wittem’ Shines

‘Wittem’ thrives in garden beds, borders, and cutting gardens. Its pure white petals contrast beautifully against deep green foliage, making it an excellent backdrop for other vibrant flowers. It also pairs well with soft pastels for a romantic look or bright jewel tones for a striking contrast.

This dahlia is a late-season bloomer, which means it will start flowering in midsummer and keep going until the first frost. When many other plants begin to fade, ‘Wittem’ is still producing crisp, white blooms, keeping your garden fresh and lively late into the season.

Is ‘Wittem’ Good for Pollinators?

Dahlias in general are not the first choice for pollinators because their dense, petal-packed blooms make it difficult for bees and butterflies to access nectar. If attracting pollinators is your goal, you might consider single or semi-double dahlias with open centers. However, if you’re primarily growing dahlias for cut flowers or aesthetic appeal, ‘Wittem’ is an excellent choice.

Bringing ‘Wittem’ Indoors: A Perfect Cut Flower

Few dahlias perform as well in a vase as ‘Wittem.’ Here’s how to get the best vase life from your blooms:

  1. Cut stems early in the morning or late in the evening for the longest-lasting flowers.
  2. Use sharp, clean shears and cut at an angle.
  3. Remove excess leaves to prevent bacterial growth in the water.
  4. Place stems in fresh water immediately and change the water every 1-2 days.

Who Will Love ‘Wittem’ the Most?

  • Cut flower enthusiasts – If you enjoy fresh bouquets in your home, this variety is a dream.
  • Gardeners who love structure – ‘Wittem’ offers a clean, polished look that elevates any garden space.
  • Those who want late-season blooms – Keeps the garden looking fresh when other plants start to fade.

Plant Details Grid

  • Mature Height: 3-4 feet
  • Mature Width: 2-3 feet
  • Sun Exposure: Full sun
  • Botanical Name: Dahlia ‘Wittem’
  • Other Common Names: White Decorative Dahlia

If you’re looking for a white dahlia that stands out for its elegance, reliability, and bouquet cutting potential, ‘Wittem’ is a top choice. Whether you’re planting a cutting garden or just want a refined, long-lasting bloom, this variety will not disappoint.
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