Downham Royal

$10.99

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Shipping Starts: Sold out for season 2026

Quantity per Package: 1 Big Tuber

Light Required: Full Sun / Partial Shade

Height: 36"

Blooming Period: Jul - Sep

Bulb size: I (Top Size)

Planting Distance: 18"

Planting Depth: 1"

Hardness Zone:

Deer Resistant: No

Minimum Bulbs for Effect:

About Downham Royal

The Pompon Dahlia Downham Royal is a charming dahlia with neat, round blooms and a classic pompon shape. Its tightly packed petals create small, ball-like flowers that bring plenty of character to the garden. The rich purple colors of Downham Royal make it a beautiful choice for borders, flower beds, and containers. This dahlia also makes an excellent cut flower, so you can enjoy its cheerful blooms indoors as well. With regular care, it will flower generously from summer into fall.

  • Distinctive pompon flowers: perfectly rounded blooms with densely packed petals
  • Long flowering season: enjoy colorful flowers throughout summer and into fall
  • Excellent cut flower: sturdy stems make it a great choice for bouquets
  • Versatile garden plant: works beautifully in borders, beds, and containers
  • Generous bloomer: produces plenty of flowers when regularly picked or deadheaded

How to plant and take care of Pompon Dahlia Downham Royal:

  • Planting time: wait until the danger of frost has passed before planting the tuber outdoors
  • Position: choose a sunny spot with at least 6 hours of sunlight each day
  • Soil: plant in fertile, well-draining soil that retains some moisture without becoming soggy
  • Watering: water regularly during dry periods, especially while the plant is actively growing
  • Support: add a stake when planting to help keep the stems upright as the plant gets taller
  • Deadheading: remove faded flowers regularly to encourage the plant to produce more blooms

$10.99

FAQs

For Downham Royal Pompon Dahlias, the best fertilizer depends somewhat on the stage of growth, but a low-nitrogen, bloom-focused fertilizer with more phosphorus and potassium is an excellent choice once the plant is established. Too much nitrogen can encourage lots of lush green foliage at the expense of flowers, which can result in a large plant with very few blooms. A fertilizer such as 5-10-10, 10-20-20, or another fertilizer marketed for flowering plants can work well. For dahlias grown in containers, a potassium-rich liquid fertilizer, such as tomato feed, can be particularly useful during the flowering season. Downham Royal is a vigorous dahlia, so consistent feeding can support healthy growth and abundant blooms. Always follow the fertilizer manufacturer's recommended dosage rather than applying extra fertilizer, as overfeeding can damage the plant and negatively affect flowering.

If your Downham Royal Pompon Dahlias are not blooming, there are several possible reasons. One of the most common is insufficient sunlight. Dahlias perform best in a warm, sunny location, so plants growing in shade or being crowded by other plants may produce plenty of foliage but few flowers. Overfeeding with a nitrogen-rich fertilizer can cause the same problem because nitrogen encourages leafy growth rather than flower production. Watering is also important: dahlias need consistent moisture, particularly during hot or dry periods, but their soil should remain well-drained rather than waterlogged. Young plants may also simply need more time to mature before producing their first flowers. Once established, deadheading spent flowers can encourage your Downham Royal Dahlia to continue flowering throughout the season. Providing plenty of sunlight, regular water, suitable fertilizer and enough growing space will give the plant the best conditions for producing abundant blooms.

If you don’t pinch your Downham Royal Pompon Dahlias, the plant can still grow and flower, so pinching is not absolutely essential. However, pinching the growing tip encourages the plant to produce additional side shoots, resulting in a bushier and more branching plant. This can ultimately give you more flowering stems and a fuller-looking plant. If the main stem is left untouched, the dahlia may concentrate more of its growth on upward development, potentially producing a taller, less branched plant. For a Downham Royal Pompon Dahlia, pinching is particularly useful if you want a compact, well-branched plant with plenty of flowering stems. Once the young plant has reached an appropriate height and has several pairs of leaves, remove the growing tip just above a pair of leaves. This redirects the plant's energy into side growth rather than continued upward growth.

To encourage bigger blooms on Downham Royal Pompon Dahlias, focus on strong growing conditions rather than simply adding more fertilizer. Start by planting your dahlia in a location that receives plenty of direct sunlight and has fertile, well-drained soil. Keep the soil consistently moist, particularly during hot and dry weather, because drought stress can reduce flowering performance. Feed the plant with a suitable flowering fertilizer rather than a high-nitrogen fertilizer, which can encourage excessive foliage. Pinching the growing tip early in the season encourages branching and creates more flowering stems. If your goal is to produce the largest possible individual flowers, you can also disbud the plant by removing some smaller flower buds and allowing selected buds to develop. This directs more of the plant's available resources toward the remaining flowers. Regular deadheading can also encourage continued flowering throughout the season.