Shishimai is an F1 hybrid shishito pepper that brings a spicy kick to the traditional Japanese favorite. Maturing in just 60 days from transplants, this compact bush plant produces the characteristic mild-to-hot peppers that Japanese home cooks and adventurous gardeners prize for their unpredictable heat. With its bushy growth habit and 12-inch spacing requirement, it slots neatly into containers or garden beds, rewarding you with peppers ready to harvest before summer's peak.
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Spicy shishito peppers arrive in just 60 days, giving you a quicker payoff than many pepper varieties. The hybrid vigor of this F1 cross means vigorous, reliable growth, and the compact bush form makes it forgiving for gardeners working with limited space. Tobacco Mosaic Virus resistance protects against one of the pepper grower's most persistent headaches, while the peppers themselves deliver the thrill of unpredictable heat that makes shishitos so entertaining to cook with.
Shishimai peppers are roasted whole over high heat, a preparation that brings out their complex flavor and creates charred blisters on the skin. Japanese home cooks traditionally serve them as a casual appetizer or side dish, often with just a sprinkle of salt and a squeeze of lime. The variety's spicy profile makes it particularly suited to standing up to bold seasonings and pairing with soy-based dipping sauces.
No timeline data available yet for this variety.
Sow seeds in shallow flats or 20-row trays at 4 seeds per inch, pressing them 1/4 inch deep into the soil. Start seeds in late March, approximately 8 weeks before your planned transplant date. Maintain soil temperatures between 80 and 90°F for steady germination; pepper seeds germinate very slowly in cooler soil. Once the first true leaves appear, transplant seedlings into 2-inch cell-type containers or 4-inch pots. Grow plants at approximately 70°F during the day and 60°F at night until they develop buds.
Transplant outdoors after the last frost date when soil is warm and weather is settled. Ideal seedlings have buds already forming, which indicates they're ready for the garden. Space plants 12 inches apart.
Harvest peppers approximately 60 days after transplanting outdoors. Pick peppers at their mature size; shishito peppers can be harvested at the green stage or allowed to ripen to red for increased sweetness and complexity. Cut peppers from the plant rather than pulling them to avoid damaging branches.
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