What To Know
- The best time to plant larkspur seed depends on your climate and the specific type of larkspur you’re growing.
- If you live in a colder climate or want to get a head start on the growing season, you can start larkspur seeds indoors around 6-8 weeks before the last frost.
- Drive stakes into the ground near the base of the larkspur plants and tie the stems to the stakes with twine or garden ties.
Larkspur, with its delicate, spiky blooms and vibrant hues, is a beloved addition to any garden. But knowing how to plant larkspur seed can feel like a daunting task for novice gardeners. This comprehensive guide will demystify the process, providing you with all the information you need to successfully grow these stunning flowers from seed.
Understanding Larkspur: A Quick Overview
Larkspur, scientifically known as *Consolida*, is a genus of annual and perennial flowering plants belonging to the buttercup family (Ranunculaceae). These captivating flowers come in a stunning array of colors, including blue, purple, pink, white, and even bi-colored varieties. They are known for their tall, slender stems that can reach heights of 2-4 feet, making them a beautiful addition to the back of flower borders, cottage gardens, and even containers.
When to Plant Larkspur Seed
The best time to plant larkspur seed depends on your climate and the specific type of larkspur you’re growing.
- Direct Sowing: In most regions, you can directly sow larkspur seeds outdoors in the spring after the last frost has passed. This is typically around April or May in most temperate climates.
- Starting Seeds Indoors: If you live in a colder climate or want to get a head start on the growing season, you can start larkspur seeds indoors around 6-8 weeks before the last frost.
Choosing the Right Larkspur Seeds
With numerous varieties available, choosing the right larkspur seeds is crucial for a successful planting experience.
- Annual Larkspur: Annual varieties like *Consolida ajacis* are popular for their vibrant colors and ease of cultivation. They bloom in the summer and are perfect for adding a splash of color to your garden.
- Perennial Larkspur: Perennial varieties, like *Delphinium*, offer long-lasting beauty and return year after year. They typically bloom in the late spring or early summer.
Preparing the Soil for Larkspur Seeds
Larkspur thrive in well-drained, fertile soil with a slightly acidic pH (6.0-7.0). Here’s how to prepare your soil for optimal growth:
1. Clear the Area: Remove any weeds or debris from the planting area.
2. Loosen the Soil: Till or dig the soil to a depth of 8-10 inches. This will improve drainage and allow roots to grow freely.
3. Amend the Soil: Incorporate organic matter like compost or aged manure into the soil to enhance fertility and improve drainage.
Planting Larkspur Seeds: Step-by-Step Guide
Once your soil is ready, follow these simple steps to plant larkspur seeds:
1. Direct Sowing:
- Sow the seeds directly into the garden bed, spacing them about 6 inches apart.
- Lightly cover the seeds with soil, about 1/4 inch deep.
- Gently water the seeds.
2. Starting Seeds Indoors:
- Fill seed trays or pots with a seed starting mix.
- Sow the seeds about 1/4 inch deep and space them about 1 inch apart.
- Water the seeds thoroughly and cover the tray with a humidity dome or plastic wrap.
- Place the tray in a warm, sunny location.
Caring for Larkspur Seedlings
Once your larkspur seeds have germinated, it’s important to provide them with proper care to ensure healthy growth:
- Watering: Keep the soil consistently moist but not soggy. Water deeply, allowing the soil to dry slightly between waterings.
- Sunlight: Larkspur needs at least 6 hours of direct sunlight per day.
- Thinning: If you started your seeds indoors, thin them out once they have a few sets of true leaves to prevent overcrowding. Space them 6-12 inches apart.
- Fertilizing: Apply a balanced fertilizer every few weeks to promote healthy growth and abundant blooms.
Supporting Larkspur Plants
As larkspur plants grow taller, they may need support to prevent them from flopping over. Here are some options:
- Stakes: Drive stakes into the ground near the base of the larkspur plants and tie the stems to the stakes with twine or garden ties.
- Trellises: Use a trellis to provide vertical support for your larkspur plants.
Harvesting Larkspur Seeds
If you want to save larkspur seeds for future plantings, follow these steps:
- Wait for the Flowers to Dry: Allow the flower heads to dry completely on the plant.
- Collect the Seeds: Once the seed pods are brown and dry, carefully collect the seeds.
- Store the Seeds: Store the seeds in a cool, dry, and dark place.
Celebrating the Beauty of Larkspur
Larkspur’s delicate blooms and vibrant hues are a true delight to behold. With proper care and attention, these beautiful flowers will grace your garden with their beauty for weeks on end.
What You Need to Learn
Q: How long does it take for larkspur to bloom?
A: Annual larkspur typically blooms about 60-80 days after planting. Perennial larkspur may take a year or two to establish before blooming.
Q: What are some common pests and diseases that affect larkspur?
A: Larkspur can be susceptible to aphids, slugs, snails, and fungal diseases like powdery mildew.
Q: Can I grow larkspur in containers?
A: Yes, you can grow larkspur in containers. Choose a pot that is at least 12 inches wide and deep, and use a well-draining potting mix.
Q: How do I deadhead larkspur?
A: Deadheading larkspur involves removing spent flower heads to encourage more blooms. Simply pinch off the faded flower heads at the base of the stem.
Q: How do I overwinter larkspur?
A: Annual larkspur does not overwinter. Perennial larkspur needs to be protected from harsh winters. Mulch around the base of the plants in the fall to help insulate the roots.
