Isotoma axillaris, commonly known as rock isotome or showy isotome, is a small herbaceous perennial in the family Campanulaceae. It usually has blue or mauve star-shaped flowers from September to May. It may also be called blue star, star flower, or laurentia.
Rock isotome has good disease resistance and is generally not prone to illnesses. However, it can be affected by pests and diseases present in its surroundings. These infections are usually mild. In terms of care, this plant requires moderate maintenance. It should be pruned regularly to maintain a neat appearance and encourage healthy growth. Fertilizing can also help promote flowering. Rock isotome is suitable for anyone with outdoor space, such as a garden or patio, and does not demand extensive care experience. It may need more attention when grown indoors.
How to keep Isotoma Axillaris.
Light
Rock isotome prefers abundant sunlight throughout the day and can tolerate periods of lower solar intensity. It originates from habitats with ample sun, so its health and growth flourish under those conditions. Both excessive and inadequate sun exposure can be harmful to the plant's vitality.
Temperature
Native to temperate growth zones, rock isotome is adapted to mild temperatures, thriving best within 68 to 95 °F (20 to 35 ℃). It might require adjustments to temperature during harsh seasonal variations to maintain optimal growth.
Fertilizer
For Rock isotome, the main time to apply fertilizer is early spring as the flowers begin to form. Choosing the appropriate fertilizer promotes improved blooms and helps Rock isotome produce attractive flowers. Applying fertilizer in early spring ensures excellent flowering during the season and supplies energy for dormant growth phases.
Botanical profile.
- Plant Type
- Herb
- Life Cycle
- Perennial
- Genus
- Isotoma
- Family
- Campanulaceae
- Hardiness Zone
- 9-10
- Mature Height
- 49 cm
- Mature Spread
- 46 cm
- Leaf Color
- Green
- Leaf Type
- Evergreen
- Flower Color
- White, Purple, Blue
- Flower Size
- 3.81 cm
- Bloom Time
- Summer, Early fall, Mid fall
- Planting Time
- Spring
- Harvest Time
- Fall
Other names.
