Annual stonecrop has moderate disease resistance but is more sensitive to humidity. It becomes prone to illness when humidity is high and is likely to suffer root rot during dormancy. In terms of care, annual stonecrop tolerates drought yet needs increased watering while actively growing. Water should be greatly reduced or stopped entirely during the dormant period. Annual stonecrop is best for people with some growing experience, though it can be challenging to maintain, especially during dormancy. It is particularly suited to those who can dedicate time to its care in the winter months.
How to keep Sedum Annuum.
Light
Native to dry areas, Annual stonecrop grows best in full sun; its natural habitat features intense sunlight and very little shade. It also tolerates partial sun, giving it some flexibility in growth.
Water
The annual stonecrop, which originates from rocky outcrops, is highly drought-tolerant and thrives in well-draining soil with minimal watering, about once a week. This plant is perfect for xeric landscapes, as it stores water in its fleshy leaves, making it an excellent choice for rock gardens or low-maintenance outdoor displays.
Temperature
Annual stonecrop tolerates some heat but mainly does best and grows during the cooler seasons, becoming dormant in summer. In very hot weather, provide shade to prevent scorching from intense sunlight. Watering should be reduced or stopped during the hottest period to avoid root rot. Winter and spring are when Annual stonecrop grows vigorously. As long as temperatures do not fall too low, it will continue to grow steadily.
Fertilizer
For annual stonecrop, light applications of fertilizer once or twice a year during the growing season are adequate. Avoid fertilizing in winter and in summer when it's dormant. Reduce fertilizer for repotted plants and wait a couple of months after repotting before fertilizing. Fertilizing supports healthy growth and encourages blooms.
Pruning
To keep Annual stonecrop thriving, it's important to prune at the right time, which is from early to late spring. Focus on removing spent flowers and leggy growth to maintain a compact shape. Regular deadheading encourages more blooms, and using sterilized tools helps prevent disease. Pruning also improves air circulation, which reduces the risk of fungal infections, resulting in a vibrant garden display.
Pot & Repot
For annual stonecrop to thrive and avoid root rot, it is essential to provide excellent drainage in its pots.
Botanical profile.
- Plant Type
- Herb
- Life Cycle
- Annual, Biennial
- Genus
- Sedum
- Family
- Crassulaceae
- Hardiness Zone
- 4-9
- Mature Height
- 5 cm to 10 cm
- Mature Spread
- 10 cm to 20 cm
- Leaf Color
- Green, Light Green
- Leaf Type
- Semi-evergreen
- Flower Color
- Yellow
- Flower Size
- 0.51 cm to 0.76 cm
- Bloom Time
- Late spring, Early summer, Mid summer
- Planting Time
- Spring
- Harvest Time
- Mid summer, Late summer
Other names.
Reader questions.
What are the sun requirements for Annual Stonecrop (Sedum annuum)?
Annual Stonecrop (Sedum annuum) thrives in conditions that meet its sunlight needs. It requires 'full sun,' which entails receiving more than 6 hours of sunlight daily. For those with slightly less exposure, 'partial sun,' or about 3-6 hours of sunlight, can also suffice. It's important to observe the way sunlight moves through your garden throughout the day. This observation helps in selecting spots that offer the ideal mix of light and shade, ensuring your plants are joyful and healthy.
