Blackberry Lily

Blackberry Lily (Iris domestica)

Blackberry Lily brings a strong late-summer finish to sunny borders with exotic-looking, orange flowers that are spotted in red and open in steady succession. After bloom, the seed pods mature and split to reveal glossy black seeds that look like blackberries, adding a second wave of ornamental interest. The plant has a clean, upright, fan-like habit that fits easily into mixed plantings without feeling bulky. If you want color, texture, and a memorable fruiting display in one tough perennial, this plant delivers.

Distinctive Features

This clump-forming perennial has iris-like, strap-shaped green leaves and produces sprays of lily-like flowers in orange with red spotting from mid to late summer. Each bloom is short-lived, but new flowers continue to open for weeks, keeping the display active. As the season progresses, the rounded seed capsules turn ornamental, then split open to reveal clusters of shiny black seeds that persist and look striking in the garden and in cut arrangements. Mature size is typically 2 to 3 feet tall and about 1 to 2 feet wide, with stronger growth in richer, evenly moist soil.

Growing Conditions

• Sun: Full sun to light part shade, with best flowering in full sun.
• Soil: Well-drained soil is essential, and it adapts to loam, sand, and even clay if drainage is good.
• Water: Medium moisture to establish, then moderate to low, with good drought tolerance once established.
• Zones: USDA Zones 5 to 10.
• Notable Traits: Showy seed pods and generally good deer resistance when grown in well-drained sites.

Ideal Uses

• Focal Point: Plant a small group as a focal point where the spotted blooms and glossy black seed clusters can carry the border from summer into fall.
• Mixed Borders: Place among perennials and grasses for late-season color and an upright, see-through structure.
• Cut Flower Gardens: Harvest flower sprays and mature seed pods for arrangements with unusual texture.
• Dry, Sunny Beds: Use in well-drained sites where summer heat and occasional dryness are common.

Low Maintenance Care

• Deadheading: Remove spent flowers if you want a tidier look and fewer seed pods, or leave them to develop for fall interest.
• Drainage: Prioritize sharp drainage, especially in winter, since persistently wet soil can reduce longevity.
• Watering: Water during prolonged drought in the first year, then water only as needed once established.
• Cutback: Cut stems back after frost or in early spring before new growth begins.

Why Choose Blackberry Lily?

• Late-Season Color: Orange, red-spotted flowers bloom in mid to late summer when many borders need a lift.
• Showy Seed Display: Pods open to reveal glossy black seeds that add a distinctive fall texture.
• Adaptable Performance: Handles a range of soils as long as drainage is good and sun is adequate.
• Clean Structure: Upright, clumping habit adds height and rhythm without overwhelming nearby plants.

Blackberry Lily is most effective when planted in repeating groups, letting the flowers and seed heads read as a deliberate design feature. Pair it with grasses, salvias, and other sun lovers to highlight the spotted blooms and extend seasonal interest. Give it sun and well-drained soil, and it will reward you with a long summer display plus a memorable fall finish. If you want a perennial that offers both flowers and fruiting drama, this one fits beautifully.