Eye Catching Maroon Flowers That Make Your Garden Special: Hartlage Wine

Eye Catching Maroon Flowers That Make Your Garden Special: Hartlage Wine

Hartlage Wine

Photo Compliments of rachelgreenbelt

Calycanthus x raulstonii ‘Hartlage Wine’ is more commonly called Hartlage Wine, Sweetbush Allspice, or Raulston’s Allspice. It is the gorgeous maroon, or wine colored flowers that will attract you to this deciduous shrub. Flowers are about 3 to 4 inches wide; they have creamy-white tipped stamens, and bloom from spring through early summer. The flowers add such wonderful interest to your landscape or garden and are the major reason for selecting this plant, thought the fall foliage color is quite nice on its own.

This is wonderful, upright; broadleaf deciduous shrub will reach a height of 8 feet. Leaves are a beautiful glossy bright green, opposite, simple, and are 5 to 7 inches in length. The base of the leaf is asymmetrical; margins have occasional, irregular teeth. As a plus the leaves turn a beautiful yellow in the fall.
Hartlage Wine Sweetshrub is a dense multi-stemmed deciduous shrub with a more or less rounded form. Its texture blends nicely into the landscape when balanced by one or two finer or coarser trees or shrubs for an effective composition.

What Makes Hartlage Wine Thrive

This shrub thrives in full sun, but will tolerate partial shade. It is very adaptable to both dry and moist soils. It is not particular as to soil type or pH. A real plus is it is even somewhat tolerant of urban pollution.

General Hartlage Wine Information


Plants can be propagated by seed, but should be aware that seedlings may vary from the parent plant in scent and other characteristics. You will need to collect seeds in fall as the pod color changes from green to brown; seeds from older pods rarely sprout. Either plant seeds immediately in an outdoor bed, or store seeds in a refrigerator for 3 months before planting.

Cultivars vary in how well they root from cuttings; however, cutting grown plants have the advantage of retaining the features of the parent plant. For best results, take cuttings in July, lightly scrape the cuttings on one side and dip in talc-based rooting material. Place cuttings in sand or a sandy rooting media.

Removing and transplanting suckers from parent plants is an easy way to obtain new true to form plants. Almost all will root well if given adequate moisture as they establish.

Diseases & Pests

Sweetshrubs generally have no serious insect or disease problems. If you do have a problem it may be Phytophthora or Pythium root rots that can occur in very poorly drained soil.


If pruning is needed, do so immediately after flowering to shape or maintain compactness.

Garden Uses

Your Hartlage Wine should be planted near your front door, patio, or other living areas where the subtle fragrance may be enjoyed; plant in shrub borders, or native plant areas.

Quick Facts

  • Category: Shrub or small tree
  • Foliage: Deciduous
  • Flower Color: Red or maroon
  • Bloom Time: Spring to early summer
  • Foliage: Mid-green in summer, gorgeous yellow in fall
  • Habit: Spreading, upright
  • Water Needs: Water regularly, do not overwater
  • Height: 6 to 8 feet
  • Spread: 6 to 8 feet
  • Sunlight: Full sun to partial shade, it will tolerate light shade
  • Hardiness Zones: Zone 5 to 9
  • Caution: Parts of plant are poisonous if ingested

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  1. Zone 5, so it’s hardy in Chicago! I’m always on the lookout for small to medium sized shrubs that take part shade.

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