Leda Ageratum delivers clouds of soft periwinkle blooms that float above neat, compact plants, earning it a cherished place in cottage gardens and containers alike. This heirloom cultivar of Ageratum mexicanum flowers in 85 to 90 days from seed, creating a sea of fluffy, soothing color throughout the mid to late season. Its tidy habit and prolific blooming make it a reliable anchor for garden beds, whether you're designing a traditional landscape or filling a sunny border with easy-to-grow elegance.
Full Sun
—
10-12
?in H x ?in W
—
Moderate
Hover over chart points for details
The defining beauty of Leda lies in its ability to produce dense, continuous waves of delicate periwinkle flowers on compact plants that need minimal fussing. These soft, fuzzy blooms create a uniquely calming visual presence in any garden space, and the plants genuinely earn their place by being covered in color from midsummer onward. Surface sown seeds sprout quickly in warm conditions, and with just 6 to 8 hours of sun and consistent moisture, you'll have flowering plants ready to anchor beds or spill from containers within three months.
Leda Ageratum shines in landscaping schemes where you need a reliable, continuous source of soft color; it's equally at home massed in cottage garden borders, tucked into mixed containers, or used as a bedding component. The low, tidy growth habit makes it suited for edging beds or filling gaps where you want persistent floral texture without height or drama.
No timeline data available yet for this variety.
Start seeds indoors 6 to 8 weeks before your last frost date. Maintain a soil temperature of 75 to 80 degrees Fahrenheit for quickest germination, which typically occurs within 7 to 10 days. Transplant seedlings into individual cells once they've developed true leaves, keeping conditions warm and providing bright light to prevent legginess.
Harden off seedlings over 7 to 10 days by gradually exposing them to outdoor conditions. Transplant outdoors after your last spring frost date when soil has warmed and daytime temperatures consistently reach the mid-60s Fahrenheit or higher. Set plants 9 to 12 inches apart in their final locations.
Direct sow seeds outdoors after your last frost date once soil has warmed. Scatter seeds on the soil surface without covering them, as they need light to germinate. Keep soil consistently moist until seedlings are established.
Pinch back seedlings when they reach 3 to 4 inches tall to encourage bushier, more compact growth. Deadhead spent flower clusters regularly to extend bloom time throughout the season, though the plant's naturally profuse flowering means this is optional rather than essential.
Enter your ZIP code to see a personalized growing calendar for this plant.