Cherry Pie
Heliotropium arborescens
Updated Mar 27, 2026
Cherry Pie (Heliotropium arborescens), also known as heliotrope or Peruvian heliotrope, is a fragrant warm-season bloomer for beds and pots. It grows best in full sun and rich, evenly moist, well-draining soil.
About Cherry Pie
Cherry Pie is a warm-season flowering plant grown for its velvety flower clusters and its sweet, dessert-like fragrance. The blooms are usually purple to violet and appear in rounded heads above a neat mound of textured green foliage, giving the plant a soft but colorful presence in beds and containers.
Its strongest appeal is not only the color, but the atmosphere it creates. In warm weather, especially near seating areas, paths, or doorways, the scent becomes a major part of the plant’s value. It can make a container or border feel more inviting even before you notice the flowers closely.
Cherry Pie performs best when it is treated as a steady-care summer bloomer. With enough sun, consistent moisture, and regular feeding, it can keep producing flowers for a long stretch from late spring into fall.
How to Care for Cherry Pie
Watering
Keep the soil evenly moist but not soggy. Water thoroughly until excess drains away, then water again when the top layer begins to lose moisture.
Do not let the root zone dry out completely, because flowering can slow and the plant may start to look tired. If leaves yellow while the soil stays wet, poor drainage or overwatering is usually the problem.
Sunlight
Cherry Pie grows best in full sun for dense growth and strong flowering. In very hot climates, some afternoon shade can help reduce stress while still keeping bloom production high.
Too much shade usually leads to fewer flowers and looser, stretched growth. For containers, strong morning sun with some relief later in the day can work especially well in hotter regions.
Temperature
This plant prefers warm conditions and grows most actively in consistently warm weather. It is not frost-hardy, and cold nights can slow both growth and flowering.
Any frost can damage or kill top growth, so it is best treated as a warm-season plant unless it can be protected. In very hot weather, steady moisture helps reduce stress.
Humidity
Moderate humidity usually suits Cherry Pie well, but airflow is still important. The plant benefits when the leaves can dry reasonably quickly after watering or dew.
In humid, still conditions, avoid crowding and water at the base when possible. Better spacing usually helps more than extra feeding if the plant starts looking stressed.
Soil
Use rich organic, well-draining soil. The mix should hold moisture evenly while still allowing excess water to move through so the roots do not sit in heavy, wet conditions.
Compost or other organic matter helps support steady flowering, but drainage still matters. In heavier soil, improving structure or planting slightly raised can make a clear difference.
Feeding
Feed regularly during the growing season because Cherry Pie flowers continuously and uses nutrients steadily. A balanced fertilizer on a consistent schedule is especially helpful for container-grown plants.
If the plant becomes leafy but flowers less, reduce nitrogen-heavy feeding and make sure the light level is still strong enough to support bloom.
Pruning & Grooming
Pinch young growth early to encourage branching and a fuller plant with more flower clusters later. This simple step usually improves the overall shape and bloom density.
Deadhead spent flower heads to keep the plant tidy and encourage more fresh bloom. If it becomes leggy, a light trim can help reset the shape and promote new flowering growth.
Pests & Problems
Watch for aphids, whiteflies, and spider mites, especially when the plant is stressed by heat, crowding, or dry conditions. Repeated problems often improve when watering is stabilized and airflow is improved.
The plant is also considered poisonous if ingested, so placement matters in gardens shared with pets or grazing animals. In many cases, stronger light, steadier care, and less overly soft growth will also reduce ongoing trouble.
Overwintering
In colder regions, Cherry Pie is usually treated as a seasonal plant outdoors. If you want to keep it, move container plants into a bright, frost-free place before temperatures drop too low.
During overwintering, keep the mix only lightly moist and avoid heavy feeding. When growth resumes in spring, gradually reintroduce the plant to outdoor sun after frost risk has passed.

