Sweet Basil
Chinese Sweet Basil is a tender, aromatic heirloom variety of Ocimum basilicum that delivers one of the most captivating flavor profiles you'll find in a basil plant. What makes this variety genuinely special is its bright lemony-orange character and silky leaf texture, even the stems are tender enough to eat raw, a rarity among basils. Growing to 18-24 inches tall and reaching harvest in just 60-75 days, this heat-loving herb thrives in warm conditions (70-85°F) and full sun, making it perfect for summer gardens. Originally from China but remarkably hard to find in America, this variety has been preserved as a heirloom precisely because gardeners who discover it never want to lose it again.
12-18 inches apart
Full Sun
High
10-13
24in H x ?in W
Annual
High
Hover over chart points for details
This basil stands apart for its remarkable tenderness and citrusy complexity. The smooth leaves and edible stems create a completely different eating experience than typical basil varieties, you can toss whole sprigs into salads or stir-fries without cooking them down first. It's intensely aromatic, fast-growing, and genuinely heat-tolerant, meaning it keeps producing prolifically through the hottest months when other basils bolt or fade. The combination of delicate flavor and robust growing habit makes this a basil that earns permanent garden real estate once you've tasted it.
This basil excels in raw applications where its tender leaves and stems truly shine. Use it fresh in salads, where both foliage and the young stem tissue add a bright, aromatic component without the bitterness sometimes found in cooked basil. It's exceptional in Asian fusion dishes, stir-fries, and noodle soups, its lemony-orange notes complement ginger, soy, and sesame beautifully. The tenderness of even the stems makes it ideal for situations where you'd normally remove basil stems before eating, though here you'll want to include them.
Start seeds indoors 6-8 weeks before your last frost date in warm conditions around 70°F. Seeds germinate quickly, sprouting within 6-10 days, so they don't require a cold stratification period. Once seedlings have developed their first true leaves, provide bright light and maintain warm temperatures to prevent them from becoming leggy or stressed.
Transplant seedlings outdoors only after all danger of frost has passed and nighttime soil temperatures consistently reach the low 60s°F or warmer — this variety is genuinely frost-tender and won't tolerate cold soil. Space plants 8 inches apart in their final location. Harden off seedlings gradually over 7-10 days before transplanting to acclimate them to outdoor conditions.
You can direct sow seeds outdoors once soil temperature has reached at least 60°F and all frost risk has passed, though starting indoors gives you a earlier harvest and more reliable germination.
Begin harvesting leaves once the plant has developed 6-8 true leaves and is well-established, typically around 60-75 days from seed. Pinch off individual leaves or small sprigs from the top of the plant, taking no more than a third of the foliage at once to keep the plant productive. Harvest in the morning after dew has dried but before the heat of the day, when leaf oils are most concentrated. The tender stems are edible, so feel free to include them in your harvest, this variety's unique characteristic is that even the stems remain soft and palatable throughout the growing season.
Pinch out the growing tips regularly throughout the season to encourage branching and bushier growth rather than tall, single-stemmed plants. This pruning also extends your harvest window by preventing the plant from rushing to flower. Once the plant reaches about 6 inches tall, begin harvesting leaves from the top, which naturally encourages the branching habit this variety exhibits.
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“Chinese Sweet Basil represents an heirloom variety shaped by centuries of cultivation in Asia, where it developed into something distinctly different from European sweet basil types. While detailed provenance information is limited in the available sources, its preservation as a heirloom variety speaks to its significance, seed savers and gardeners valued it enough to keep it alive and pass it forward. The fact that it remains rare in American gardens suggests it was largely displaced by more common varieties during the 20th century, yet dedicated heirloom seed companies like Baker Creek have worked to bring it back, recognizing that this variety offers flavor and texture qualities worth recovering.”