Tam Jalapeno Pepper is a heat-loving cultivar developed by Texas A&M's agriculture department, bred specifically for exceptional tolerance to heat and drought. This upright annual grows 36 inches tall and produces medium-heat peppers (1,000 to 1,500 Scoville Heat Units) ready to harvest in 70 days from transplant. Hardy from zones 4 through 13, it thrives in full sun and handles the stress that stops other peppers cold. Open-pollinated and heirloom, these seeds come true year after year, making them a reliable choice for both container gardeners and those planting in raised beds or the open ground.
12
Full Sun
Moderate
4-13
24in H x ?in W
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High
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Developed by one of America's premier agricultural institutions specifically to survive intense heat and dry conditions, Tam Jalapeno delivers a reliable crop even when other peppers struggle. The deer resistance is a genuine bonus for gardeners battling wildlife pressure. Its flexibility across growing methods (containers, raised beds, garden plots, greenhouses) and its proven ability to produce a solid harvest in just 70 days make it a standout performer for gardeners who want results without fussy microclimates or babying.
Tam Jalapeno peppers are used fresh in salsas, sliced into nachos, or pickled whole for shelf-stable condiments. Their medium heat level and dense flesh make them well suited to roasting and charring, a technique that softens their skin and deepens their flavor. Fresh or dried, they season everything from Mexican cuisine to Southwestern dishes. The compact plant size and container suitability mean home gardeners can grow enough for fresh use throughout the season, or preserve a larger harvest for winter cooking.
No timeline data available yet for this variety.
Start seeds indoors 6 to 8 weeks before your last spring frost date, using a heat mat to maintain soil temperature around 70-80°F; pepper seeds germinate slowly and unreliably in cool soil. Sow seeds about 1/4 inch deep in seed-starting mix and keep the soil consistently warm and moist. Transplants need bright light once they emerge; a grow light or sunny south-facing window prevents leggy seedlings. Harden off seedlings gradually over 7 to 10 days before moving them outdoors.
Transplant outdoors only after all danger of frost has passed and soil has warmed to at least 65-70°F; Tam Jalapeno grows in zones 4 through 13, so timing depends on your location. Space plants 18 inches apart in rows 36 inches apart. Dig a hole slightly larger than the root ball, bury the stem up to the first true leaves if desired (it will root along the buried stem for a sturdier plant), and water deeply. Mulch around the base to retain moisture and moderate soil temperature.
Peppers are ready to pick at 70 days from transplant. Harvest them green when they reach full size and have firm, glossy skin, or wait for them to mature to a deeper red color for sweeter, milder flavor. Cut peppers from the stem with a sharp knife or pruners rather than pulling; this protects the plant from damage. Continue harvesting throughout the season; removing ripe peppers encourages the plant to produce more flowers and fruit. In cooler climates, pick remaining peppers before the first frost.
As an upright annual pepper plant, Tam Jalapeno benefits from minimal pruning. Pinching off the top growing tip when seedlings are 6 to 8 inches tall encourages bushier growth and more flowering branches. Remove any lower leaves or branches that touch the soil to improve air circulation and prevent disease. Beyond these light interventions, allow the plant to grow naturally into its compact 36-inch form.
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“Tam Jalapeno emerged from Texas A&M's preeminent agriculture department, a public breeding program dedicated to developing vegetable cultivars suited to challenging conditions. Rather than a chance heirloom passed through families, this variety represents deliberate agricultural science: researchers identified the traits gardeners and farmers needed (heat tolerance, drought resilience, consistent production) and bred them into a jalapeno that performs where others wilt. As an open-pollinated heirloom, it belongs to the seed-saving tradition, allowing home gardeners to maintain their own stock year after year.”