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Photo courtesy of Dummen.

Hiemalis Begonia x Hiemalis 'Amstel Dark Britt'

Rieger Begonia


This tuberous perennial is a compact plant with lush leaves and a profusion of semi-double flowers in a deep tangerine orange. Amstel Dark Britt has a spread of 8-10 inches, requiring a space of 12-15 inches to properly grow, and has an optimal height of 10-14 inches. This well-mounded begonia is ideal for mass planting or as a border crop around your garden.

Height: 10-14 Inches

Spread: 8-10 Inches

USDA Zone: Zones 10 - 11

Color: Orange

Interesting Notes:

Heimalis Begonias are mounding, warm weather annuals and tender perennials. These ever blooming, shade loving, tender perennials make great bedding and container plants. This variety has arisen from several South American species, such as the winter blooming Begonia s and the beautifully flowered species that comprise tuberous Begonias. They bloom prolifically and their flowers are doubled like tuberous begonias, but smaller.

Heimalis Begonia Amstel Dark Britt is a well-mounded plant featuring luscious, tangerine orange, semi-double blooms. This variety is a medium compact flower bred by the Dummen Group. It is commonly used in the garden as a border or edging crop, in hanging baskets, in patio containers, for mass planting, or even in the home for interior design. The taller and fuller varieties go nicely as mixed fillers in the garden. Amstel Dark Britt grows best in moist, fertile, well-drained soil, and is a full to partial shade flower. A unique feature of this variety is that they are shade tolerant and will add a touch of color to your shade garden. Amstel Dark Britt also has a long bloom life. A key feature of Amstel Dark Britt is that is has a semi-double flower, meaning it has an appearance of multiple layering flowers on each bloom.

Growing Tips for Homeowners:

As with every plant purchase, it is important to look for quality at the start! During the purchasing process, be sure to avoid plants that look exhausted. Finding a fresh young plant, without yellowing foliage or dying flowers is very important. Look for rich green foliage and healthy vibrant colored flowers as indication of the plant's care thus far. This will ensure an easy start for you, and a long life for your plant.

After locating and purchasing a quality plant at the store, it is important to find the perfect place for it at your home. Heimalis Begonia Amstel Dark Britt is a part sun to shade annual that will thrive in any shade garden and even in the home. The best time for planting your flower is mid-spring or early summer, after the threat of frost has passed. Be careful not to take your plant outside too early in the spring. If there is still a chance of frost in your area, keep your plant safe indoors, maintaining care in the container. Heimalis Begonias will last from late spring, through the summer, until the finish of fall. They are good pioneer plants in the garden, until other plants become more established.

Amstel Dark Britt is a low maintenance plant that is shade tolerant. While it has a high heat tolerance level, water application a few times a week is recommended, and fertilizer or compost application will ensure optimal plant performance. Be sure to apply low to the ground, near the plant’s main stem, avoiding wetting the plant’s foliage, for quick absorption and utilization. Amstel Dark Britt requires a good moisture level but must be well drained. It is important to ensure good drainage in both containers and landscaping, to prevent diseases like root rot. Drainage holes, elevated flower gardens, and proper soil composition are three great ways to prevent root rot and help your plants maintain a healthy moisture level.

Another great feature of Amstel Dark Britt is their bloom production. These beauties will continuously bloom all season. While the plant does not require much deadheading, if your plants start to look messy, feel free to trim them back to keep them tight and well shaped. After pinching back, your plant should begin to bloom again within 1–2 weeks. It is good to remove the spent flowers to encourage continued flower bud production.

Preparing the ground for your plants is always an important key to maintaining healthy plants. Pests like slugs and snails are attracted to the environment created in flower gardens and landscaping. Prevention of these types of pests includes clearing the area of holes where such pests can live. Aphids and thrips may also pose a threat to your Heimalis Begonia, but are usually taken care of by predator insects. These tiny pests usually hide on the underside of leaves and are difficult to see because of their small size.

The earliest prevention against disease and pest threat is careful examination during the purchasing process. It is important to know the difference between harmful pests and beneficial insects. Some insects may lay their eggs on your plant’s leaves in order to feed on the pests, which is actually beneficial to your flower. Removal of the wrong eggs could potentially promote pest survival and growth. This variety is also resistant to deer.

Characteristics & Attributes:


  • Shade Tolerant
  • Semi-Double Flower
  • Compact

Design Use:

  • Window Boxes
  • Container
  • Filler
  • Shade Gardens
  • Border
  • Versatile
  • Mass Planting
  • Interior Design
  • Hanging Baskets
  • Ground Cover
  • Tropical
  • Edging


  • Part Sun
  • Full Shade

Foliage Color:

  • Dark Green


  • Mounding

Season of Interest (Flowering):

  • Fall
  • Summer
  • Spring

Season of Interest (Foliage):

  • Fall
  • Summer
  • Spring

Soil Moisture:

  • Well Drained
  • Moist


  • Compact