Aqua Large Leaf Watercress is a crisp, peppery heirloom vegetable that transforms your garden into a fresh herb and salad green producer in just 50 to 60 days. This cultivar thrives in zones 5 through 9 and produces succulent leaves loaded with vitamins A and C, making it as nutritious as it is flavorful. Unlike many greens that demand coddling, watercress actually enjoys moisture and even grows naturally along running water, but this particular variety adapts beautifully to garden beds and containers alike, and it's a notably high-yielding cultivar suited to both home gardeners and small-scale market growers.
Full Sun
High
5-9
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The leaves deliver a genuinely peppent punch that elevates simple salads and makes this variety a favorite among cooks who appreciate assertive greens. It germinates quickly in cool conditions, sprouting in just 2 to 7 days, and reaches harvest in a remarkably short window. The real appeal lies in its adaptability: while watercress naturally grows along creeks and streams, this cultivar thrives equally well in traditional garden beds or containers, giving you multiple ways to grow it without special equipment or water features.
Aqua Large Leaf Watercress shines raw in salads, where its crisp texture and peppery bite cut through rich dressings and creamy cheeses. The succulent leaves work beautifully as a peppery garnish for soups, particularly cream-based preparations where the acidity and spice provide contrast. You can also lightly sauté or blanch the leaves as a nutritious green side dish, though its best character emerges when eaten fresh and uncooked.
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Start seeds indoors 4 to 6 weeks before your last spring frost in containers with moist potting soil. Maintain temperatures between 50 and 70 degrees Fahrenheit and expect germination within 2 to 7 days. Provide bright light to prevent leggy seedlings, and keep the soil consistently moist but not waterlogged.
Transplant seedlings outdoors after the last frost date when soil temperatures have warmed slightly but remain cool. Space plants 8 inches apart in beds or containers and water thoroughly at planting time. Harden off seedlings by gradually exposing them to outdoor conditions over 7 to 10 days before transplanting.
Direct sow seeds into moist garden beds or containers in spring or early fall, pushing seeds just barely into the soil surface. Press gently to ensure good soil contact and keep the seedbed consistently moist until germination occurs in 2 to 7 days. Thin seedlings to 8 inches apart once they have developed their first true leaves.
Begin harvesting at 50 to 60 days after planting once the leaves are fully developed and succulent. Pinch or cut the outer leaves and stems from the top of the plant, working your way down and allowing the center to continue growing for repeated harvests. The plant will respond to frequent harvesting by producing more leaves, so don't hesitate to pick regularly. Harvest in the morning after dew has dried for the crispest texture, and continue picking to encourage ongoing growth throughout the season.
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