Ursinia is a stunning flower that brightens any garden with a lovely display of colors. Also known as the Namaqualand daisy, Ursinia is native to South Africa and has daisy-like blooms in vibrant oranges and yellows.
If you’re keen to grow Ursinia then this guide willncovers everything you need to know. From planting and care to some awesome tips and tricks to help your Ursinia thrive.
Introduction to Ursinia
Ursinia flowers, often called Orange African Daisy, Namakwa Daisy or Jewel of the Veldt, belong to the Asteraceae family. They are typically grown as half-hardy annuals and will add a pop of color to gardens, borders and even containers.
Key Characteristics
- Height: 8 to 24 inches (20 to 60 cm)
- Flower Colors: Yellow, orange, white, purple
- Bloom Time: Mid to late summer
- Native Region: Southern Africa
- Growing Zones: USDA zones 3 to 9
Ideal Growing Conditions
Sunlight Requirements
Ursinia do best in full sunlight, requiring at least six hours of direct sun daily. This is a big deal for their growth and prolific blooming. If planted in a shaded area Ursinia may grow leggy and produce fewer flowers.
- Sunlight Intensity: In regions with very intense sunlight think about some light afternoon shade to protect the plants from scorching.
- Seasonal Sunlight: Track the sun’s path through the seasons. In early spring some areas may receive less direct sunlight, which may necessitate starting seeds indoors so they get the light they need from the start.
Soil Preferences
Ursinia prefers well-drained, sandy soils. It can tolerate poor soil but will not thrive in heavy, clay-like or waterlogged conditions.
- Improving Soil Drainage: If you have heavy soil mix it with sand, gravel or organic matter to improve drainage. Raised beds can also be an excellent solution for better water management.
- pH Levels: Maintain soil pH between 5.5 and 6.5. Use pH testing kits available at garden centers to monitor and adjust soil pH. If necessary sulfur can be added to lower the pH while lime can be used to raise it.
Watering
While Ursinia is drought-tolerant once established regular watering is essential during the growing season. Water them deeply but allow the soil to dry out between waterings to avoid overwatering.
Fertilization
Ursinia does not require heavy fertilization. A balanced, slow-release fertilizer applied in early spring will be good enough. Avoid over-fertilizing as it can lead to excessive foliage growth at the expense of flowers.
Planting Ursinia
From Seeds
Starting Ursinia from seeds is really straightforward:
- Seed Starting Indoors: Begin seeds indoors 6-8 weeks before the last frost. Use seed-starting trays and a sterile seed-starting mix to reduce the risk of diseases.
- Transplanting: When seedlings are about 4-6 inches tall and have at least two sets of true leaves harden them off before transplanting outdoors. Gradually introduce them to outdoor conditions over a week to reduce transplant shock.
Direct Sowing
Seeds can also be sown directly in the garden after the last frost.
- Optimal Spacing: Space the seeds about 8-10 inches apart. This spacing allows for adequate airflow around each plant, reducing the likelihood of fungal diseases.
- Mulching: After sowing apply a thin layer of mulch to retain moisture and suppress weeds. Organic mulches like straw or leaf mold are excellent choices.
Transplanting
If starting seeds indoors transplant the seedlings outdoors after the last frost when they are about 4 to 6 inches tall. Space them adequately to allow for proper air circulation.
Caring for Ursinia
Watering Routine
- Water regularly during dry spells.
- Allow the soil to dry out between watering to prevent root rot.
Mulching
Apply a layer of mulch around the plants to retain soil moisture and suppress weeds. Organic mulch like straw or compost works best.
Pruning and Deadheading
Regular deadheading encourages continuous blooming and keeps the plants looking tidy.
- Pruning Techniques: Pinch back young plants to promote bushier growth. Remove spent flowers regularly by pinching or using clean, sharp scissors.
- Seasonal Pruning: At the end of the growing season, cut back the plants to prevent diseases and pests from overwintering in the dead foliage.
Pest and Disease Management
Ursinia is relatively pest-resistant but watch out for common garden pests like aphids and spider mites. Use natural remedies or insecticidal soap if infestations occur.
- Common Pests: Keep an eye out for aphids and spider mites. Natural predators like ladybugs can help control aphid populations. Use insecticidal soap for severe infestations.
- Disease Prevention: Good air circulation around the plants will prevent fungal diseases. Avoid overhead watering which can lead to leaf wetness and fungal growth.
Fertilization
Ursinia benefits from light feeding. Over-fertilization can lead to lush foliage but fewer flowers.
- Balanced Fertilizers: Use a balanced, slow-release fertilizer in early spring. Follow the manufacturer’s instructions for the correct application rates.
- Organic Options: Consider organic fertilizers such as compost or well-rotted manure which provide a slow, steady release of nutrients and improve soil structure.
Winter Protection
In colder regions you might want to grow Ursinia as an annual or provide protection such as cloches or row covers to extend its blooming period. In milder climates Ursinia can overwinter with minimal protection. Apply a thick layer of mulch around the base of the plants to insulate the roots.
Extra Tips
Companion Planting
Ursinia pairs well with other drought-tolerant plants.
- Beneficial Pairings: Plant Ursinia alongside Nasturtium and Sedum for a really striking color combination and also to attract beneficial insects.
- Edging and Groundcover: Ursinia can be used as an edging plant along garden borders or paths where it will have a big impact with its bright blooms.
Seasonal Care
Winter Protection:
- In milder climates Ursinia can overwinter with minimal protection. Apply a thick layer of mulch around the base of the plants to insulate the roots.
Common Questions and Answers
How often should I water Ursinia?
Water Ursinia regularly, especially during dry periods, but allow the soil to dry out between watering to prevent root rot.
Can Ursinia grow in containers?
Yes, Ursinia grows well in containers. Make sure the pots have good drainage and use a sandy, well-drained soil mix.
Is Ursinia suitable for beginner gardeners?
Absolutely. Ursinia is relatively easy to grow and care for making it a great choice for novice gardeners.
What is the best time to plant Ursinia seeds?
The best time to sow Ursinia seeds is after the last frost in spring.
How can I encourage more blooms?
Regular deadheading and ensuring the plants receive plenty of sunlight will encourage more blooms.