Alstroemeria ‘Lisa’, also known as Princess or Peruvian Lily, is a distinguished cultivar within the diverse Alstroemeria genus. This compact perennial offers a vibrant display, growing to about 20-30 cm in height and spread with lush, green foliage. Its striking funnel-shaped flowers are a brilliant deep yellow, frequently adorned with subtle orange overtones and distinctive burgundy speckles or “whiskers” on the inner petals.
Alstroemeria ‘Lisa’ Care Requirements
Alstroemeria ‘Lisa’ thrives in specific conditions for blooming. It performs well in full sun to partial shade, preferring morning sun and afternoon shade, especially in hotter climates, to protect its blooms and foliage. The plant prefers well-drained soil rich in organic matter, with a pH ranging from slightly acidic to neutral. Good drainage is important to prevent root rot, as its roots are sensitive to wet conditions.
Consistent moisture is important for healthy growth; water regularly, especially during dry periods. Allow the soil to dry slightly between waterings to avoid waterlogging. Container-grown plants may need more frequent watering due to faster moisture evaporation. This cultivar is generally hardy in temperate climates, though it may benefit from winter mulching in colder regions, typically zones 8-10.
During the active growing season, from early spring through autumn, apply a balanced liquid fertilizer or one high in potassium to encourage prolific flowering. For plants in containers, a monthly feeding during the growing season is often beneficial. This regular nutrient supply helps sustain the plant’s extended blooming period.
Planting and Establishment
The optimal time to plant Alstroemeria ‘Lisa’ is in spring after the last frost, or in early autumn in regions with milder winters. This allows the plant to establish its root system in warm, moist soil before extreme temperatures. When planting from rhizomes or pots, dig a hole approximately 15-20 cm deep and slightly wider than the root ball.
Amending the soil with compost or well-rotted organic matter before planting improves drainage and fertility. When placing the plant, ensure the top of the root ball is level with the surrounding soil. For garden beds, space individual plants about 30-45 cm apart to allow for proper air circulation and growth. If planting in containers, choose a pot with adequate drainage holes and a size that accommodates the plant’s mature spread.
Ongoing Maintenance and General Tips
Once established, Alstroemeria ‘Lisa’ requires specific maintenance to promote continuous flowering and health. To encourage new blooms and prevent the plant from self-seeding, spent flower stems must be removed. Pull the entire stem from the base of the plant rather than cutting it; this method stimulates new growth from the rhizomes.
For overwintering in colder climates (outside of typical hardiness zones), apply a thick layer of mulch around the plant base for insulation. In areas where the plant is not hardy, rhizomes can be lifted in the fall and stored indoors in a cool, dry place. Established clumps can be divided every few years, typically in early spring, to rejuvenate the plant and manage its spread. When dividing, ensure each section has healthy roots and shoots.
Alstroemeria ‘Lisa’ is generally resistant to many common garden pests and diseases. However, monitoring for potential issues and maintaining good cultural practices, such as proper watering and air circulation, can help prevent problems. Slugs and snails can sometimes be a concern for young plants, so protective measures may be needed.
Common Uses and Benefits
Alstroemeria ‘Lisa’ is valued as a cut flower. Its blooms are long-lasting, often remaining vibrant in a vase for up to two weeks. This makes it a popular choice for fresh floral arrangements and bouquets, bringing sustained color indoors.
In the garden and landscape, ‘Lisa’ serves as an attractive addition to flower beds, borders, and containers. Its compact size and mounded form make it suitable for smaller gardens or patio planters, offering a continuous display of color from spring through autumn. The cheerful yellow blooms also attract pollinators, including bees and butterflies, contributing to garden biodiversity.