Variety field guide
What to expect from Marconi Red Pepper Seeds
Marconi Red pepper seeds produce red sweet pepper fruit about 9.1 × 1.6 in (230 × 40 mm) on upright, erect plants reaching 31–36 in; maturity is 60-69 Days.
Read the complete product descriptionTraits, flavor, garden use, variety notes, and the full catalog record
Marconi Red pepper seeds grow into upright, erect plants reaching 31–36 in, bearing red fruit about 9.1 × 1.6 in (230 × 40 mm). Heat category: Sweet. It is especially suited to roasting, frying, fresh slicing, general cooking, and mature-fruit seed saving when reproductive type is known. Maturity is 60-69 Days.
About Marconi Red
Marconi Red is a sweet pepper grown as Capsicum annuum L. Plants have an upright, erect habit and reach 31–36 in; support is listed as stake. The principal mature or market color is Red, with fruit described as about 9.1 × 1.6 in (230 × 40 mm). Reproductive classification: Open-Pollinated (OP). Maturity: 60-69 Days. Names associated with this variety include Red Italian Fryer, Pepper Seeds - Sweet - Marconi Red.
- Scientific name:Capsicum annuum L.
- Life cycle:Annual
- Planting season:Spring
- Growth habit:Upright/Erect
- Plant height:31–36 in
- Sunlight:Full sun
- Seed depth:1/4 in
- Germination:7–14 Days at 75–90 °F
- Spacing:18 in between plants; 24 in between rows
- Soil:Loamy; pH 6.0–6.5
- Water:Moderate
- Support:Stake
- Reproductive type:Open-Pollinated (OP)
- Fruit:Red; About 9.1 × 1.6 in (230 × 40 mm)
- Heat:Sweet; 0 SHU
History and seedkeeping context
A 1999 cultivar-description entry documents Marconi Red as a long sweet pepper with fruit about 230 by 40 mm, changing from light green to bright red, and gives a 65-day harvest reference. The source confirms the named cultivar’s trade presence and physical description at that date. The archival entry does not establish an original breeder, release year, or exact Italian locality.
The available sources do not establish a named person’s tribal identity. A 1999 North American cultivar-description entry lists Marconi Red at 65 days. Cornell records bearing the broader Marconi Red name report a wider range, so the 65-day value is presented specifically as the archived 1999 reference rather than a universal result.
Fruit, flavor, and kitchen use
The long sweet fruit are suited to frying, roasting, grilling, sautéing, sandwiches, sauces, and fresh slicing. Red-ripe fruit provide full mature color; green fruit can be used earlier. Sweet pepper; no additional sensory notes are asserted beyond the cultivar archive. Sweet does not mean every fruit tastes identical; harvest stage and growing conditions still affect texture and sweetness. Marconi Red is especially useful for roasting, frying, fresh slicing, general cooking, and mature-fruit seed saving when reproductive type is known. Flavor and eating quality are described as sweet pepper; no additional sensory notes are asserted beyond the cultivar archive. Sweet does not mean every fruit tastes identical; harvest stage and growing conditions still affect texture and sweetness. Heat classification: Sweet; listed range: 0 SHU. Pungency can shift with genetics, weather, water stress, and ripeness.
How to grow Marconi Red
Start Marconi Red indoors about 8 to 10 weeks before the last expected frost. Sow 1/4 in deep in a warm, evenly moist seed-starting mix; expect 7–14 Days near 75–90 °F. Provide strong light as soon as seedlings emerge, pot up before roots become crowded, and harden plants gradually before transplanting after nights are reliably warm.
Plant in full sun with loamy soil near pH 6.0–6.5. Space plants 18 in apart and rows 24 in apart. Maintain moderate moisture, mulch after the soil warms, and avoid excessive nitrogen. Install stake early where the upright, erect plant or fruit load warrants it. Mature height is 31–36 in.
Season care
• Warmth matters most during germination; keep Marconi Red seed warm without leaving the medium saturated. • Harden seedlings gradually and wait for warm nights before transplanting, because cold soil and wind can stall peppers for weeks. • Install stake before branches carry a heavy crop, and keep moisture even while fruit is setting. • Harvest at the color stage suited to the recipe, but leave fruit fully mature on selected plants when saving seed. • Use 60-69 Days as a planning range rather than a guaranteed calendar date; weather and transplant stress can shift first harvest.
Harvest and maturity
60-69 Days from transplant to first representative harvest; the same value is used in every description. Peppers can often be used at an immature green or transitional color, but fully ripe color is required for mature seed.
Saving seed
Peppers are largely self-pollinating but insect movement can produce crosses. To save Marconi Red true to type, grow several healthy representative plants, isolate them from compatible pepper varieties or use blossom bags or cages, and remove clear off-types before flowering. Allow selected fruit to reach full biological color, handle hot fruit with gloves, remove the seed, dry it in a thin labeled layer until fully hard and dry, then store it cool, dark, and dry. Keep the harvest year, source, isolation method, and selection notes with the lot.
Common questions
When is Marconi Red ready?
Plan around 60-69 Days. The listed range is a planning guide, and weather, transplant stress, and harvest stage can shift the actual date.
How long does germination take?
Expect 7–14 Days near 75–90 °F. Cooler media, excess water, old seed, or uneven moisture can delay emergence.
How large does it grow?
Expect about 31–36 in. Growth habit: Upright/Erect. Support: Stake.
How is it used?
Roasting, frying, fresh slicing, general cooking, and mature-fruit seed saving when reproductive type is known
Can I save seed?
Peppers are largely self-pollinating but insect movement can produce crosses.






