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Hot Pepper 'Fresno'

Capsicum annuum 'Fresno'

Often called the 'red jalapeño,' this versatile California-bred pepper offers the perfect medium heat level with a bright, fresh flavor that works in countless dishes. Fresno peppers ripen from green to brilliant red, developing more sweetness and complexity as they mature, making them ideal for both fresh and cooked applications. Their approachable heat level and exceptional flavor make them a favorite among both novice and experienced gardeners.

Harvest

75-85d

Days to harvest

📅

Sun

Blossom-End Rot of Tomato

☀️

Zones

4–11

USDA hardiness

🗺️

Height

1-3 feet

📏

Planting Timeline

Zone:

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Start Indoors

Transplant

Harvest

Start Indoors

Transplant

Harvest

Showing dates for Hot Pepper 'Fresno' in USDA Zone 7

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Zone Map

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Hot Pepper 'Fresno' · Zones 4–11

What grows well in Zone 7? →

Growing Details

Difficulty

Easy

Spacing18-24 inches

SoilWell-drained soil with good organic content

pH6.0-7.0

Water1-1.5 inches per week, allow soil to dry slightly between waterings

SeasonWarm season

FlavorMedium heat (2,500-10,000 SHU) with bright, fruity flavor

ColorBright red when mature, green when young

Size2-3 inches long, 1 inch wide

Zone-by-Zone Planting Calendar

Zone	Indoor Start	Transplant	Direct Sow	Harvest
Zone 3	April – April	June – July	—	September – October
Zone 4	March – April	June – June	—	August – October
Zone 5	March – March	May – June	—	August – October
Zone 6	March – March	May – June	—	August – October
Zone 7	February – March	April – May	—	July – September
Zone 8	February – February	April – May	—	July – September
Zone 9	January – January	March – April	—	June – August
Zone 10	January – January	February – March	—	May – July

Complete Growing Guide

Light: Blossom-End Rot of Tomato, Pepper, and Watermelon. Soil: Clay, High Organic Matter, Loam (Silt), Sand. Soil pH: Acid (<6.0), Alkaline (>8.0), Neutral (6.0-8.0). Drainage: Good Drainage. Water: KAP-sih-kum AN-yoo-um. Height: 1 ft. 0 in. - 3 ft. 8 in.. Spread: 0 ft. 6 in. - 1 ft. 0 in.. Spacing: 12 inches-3 feet. Growth rate: Medium. Maintenance: 'Aurora', 'Basket of Fire', 'Black Pearl', 'Buena Mulata', 'Calico', 'California Wonder', 'Candelabra', Cerasiforme Group, 'Chilly Chili', Conioides Group, 'Early Jalapeno', Fasciculatum Group, Grossum Group, 'Hot Returns', Longum Group, 'Mad Hatter', 'Purple Flash', 'Sweet orange', 'Sweet Sunset'. Propagation: Seed. Regions: Coastal, Mountains, Piedmont.

Harvesting

Fruits are a non-pulpy berry and vary considerably across cultivars. Some are long, thin, bright red, and spicy; others are thick, large, and sweet-tasting; others still are small and in ornamental shapes and colors, grown as decoration.

Color: 'Aurora', 'Basket of Fire', 'Black Pearl', 'Buena Mulata', 'Calico', 'California Wonder', 'Candelabra', Cerasiforme Group, 'Chilly Chili', Conioides Group, 'Early Jalapeno', Fasciculatum Group, Grossum Group, 'Hot Returns', Longum Group, 'Mad Hatter', 'Purple Flash', 'Sweet orange', 'Sweet Sunset'. Type: Berry. Length: 1-3 inches. Width: < 1 inch.

Garden value: Edible, Good Dried, Showy

Harvest time: Summer

Bloom time: Summer

Edibility: Fruits edible, but spiciness is unpredictable in intensity.

Storage & Preservation

Fresh Fresno peppers store best at room temperature for 3-5 days, developing slightly more complex flavors as they sit. For longer storage, refrigerate in a perforated plastic bag in the crisper drawer for up to two weeks. Avoid washing until ready to use, as moisture accelerates decay.

For preservation, Fresnos excel when pickled – their firm flesh holds up beautifully to vinegar brines, and the process mellows their heat slightly while maintaining their bright flavor. Slice and freeze fresh peppers in single layers on baking sheets, then transfer to freezer bags for up to 8 months. While frozen peppers lose some crispness, they're perfect for cooked applications like sauces and stir-fries. Dehydrating works well too – string whole peppers or slice them thin and dry until brittle, then store in airtight containers. Dried Fresnos can be ground into flakes or powder for seasoning.

History & Origin

Origin: Tropical North and South America

Advantages

+Disease resistance: Deer, Drought, Heat
+Attracts: Songbirds
+Wildlife value: Birds are immune to the capsaicin in peppers and can safely eat the fruits with no ill effects. Therefore, these plants may attract birds. Host plant for Potato Tuber Moth.
+Edible: Fruits edible, but spiciness is unpredictable in intensity.

Companion Plants

Plant Together

Basil

Repels aphids, spider mites, and thrips while potentially enhancing pepper flavor

Marigold

Deters nematodes, aphids, and whiteflies with strong scent compounds

Tomato

Similar growing requirements and shared beneficial insects for pest control

Oregano

Repels cucumber beetles and provides ground cover to retain soil moisture

Parsley

Attracts beneficial insects like hoverflies and parasitic wasps

Carrots

Utilize different soil layers and carrots help break up soil for pepper roots

Spinach

Provides living mulch and cool-season harvest before peppers need full space

Nasturtium

Acts as trap crop for aphids and cucumber beetles while attracting pollinators

Keep Apart

Black Walnut

Produces juglone toxin that inhibits pepper growth and development

Fennel

Releases allelopathic compounds that stunt growth of peppers and most vegetables

Brassicas

Compete for similar nutrients and may inhibit pepper growth through root competition

Nutrition Facts

Calories

27kcal(1%)

Protein

1.66g(3%)

Fiber

3.4g(12%)

Carbs

5.35g(2%)

Fat

0.45g(1%)

Vitamin C

82.7mg(92%)

Vitamin A

17mcg(2%)

Vitamin K

9.5mcg(8%)

Iron

0.46mg(3%)

Calcium

14mg(1%)

Potassium

256mg(5%)

Per 100g serving. % Daily Value based on 2,000 calorie diet. Source: USDA FoodData Central (FDC #169394)

Pests & Disease Resistance

Resistance

Good general disease tolerance

Common Pests

Aphids, spider mites, thrips, pepper weevils

Diseases

Bacterial spot, phytophthora root rot, virus diseases

Frequently Asked Questions

How long does Fresno pepper take to grow from seed?▼

Fresno peppers take approximately 18-22 weeks from seed to first harvest. Start seeds indoors 8-10 weeks before your last frost date, then transplant outdoors when soil warms. From transplant, expect your first ripe red peppers in 75-85 days, though you can harvest green peppers about 10-14 days earlier if desired.

Can you grow Fresno peppers in containers?▼

Yes, Fresno peppers grow excellently in containers. Use pots at least 5 gallons in size with drainage holes, and choose a well-draining potting mix enriched with compost. Container plants may need more frequent watering and feeding than garden plants, but they offer better control over growing conditions and easier harvesting.

What does a Fresno pepper taste like compared to jalapeño?▼

Fresno peppers have a brighter, more fruity flavor than jalapeños, with similar heat levels (2,500-10,000 SHU). While jalapeños tend to be more vegetal and grassy, Fresnos offer a cleaner, sweeter taste, especially when fully ripened to red. The heat is more immediate but less lingering than jalapeños.

Are Fresno peppers good for beginners?▼

Yes, Fresno peppers are excellent for beginner gardeners. They're rated as 'easy' to grow, have good disease tolerance, don't require complex pruning or training, and produce reliably in most warm climates. Their moderate heat level also makes them approachable for new pepper growers who want something spicier than bells but not overwhelming.

When should I plant Fresno pepper seeds?▼

Start Fresno pepper seeds indoors 8-10 weeks before your area's last expected frost date. For most regions, this means starting seeds in late February to early March for May transplanting. Seeds need warm soil (75-85°F) to germinate well, so use a heat mat if starting in cool conditions.

How hot are Fresno peppers compared to other peppers?▼

Fresno peppers range from 2,500-10,000 Scoville Heat Units (SHU), making them similar to jalapeños but milder than serranos (10,000-25,000 SHU). They're about 2-8 times hotter than poblanos but significantly milder than cayennes. The heat varies based on growing conditions, with stressed plants producing hotter peppers.