Planting Timeline
Showing dates for Mesclun Mix in USDA Zone 7
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Mesclun Mix · Zones 2–11
Growing Details
Zone-by-Zone Planting Calendar
| Zone | Indoor Start | Transplant | Direct Sow | Harvest |
|---|---|---|---|---|
| Zone 3 | — | — | April – August | May – October |
| Zone 4 | — | — | March – August | April – October |
| Zone 5 | — | — | March – September | April – October |
| Zone 6 | — | — | March – September | April – November |
| Zone 7 | — | — | February – October | March – November |
| Zone 8 | — | — | February – November | March – December |
| Zone 9 | — | — | October – March | November – April |
| Zone 10 | — | — | October – March | November – April |
Complete Growing Guide
Start your mesclun mix journey by choosing a location that receives 4-6 hours of sunlight daily, though partial shade actually works well in hot climates where full sun can cause bitter flavors and premature bolting. Prepare your soil by working in 2-3 inches of compost or well-aged manure to a depth of 6 inches—mesclun thrives in loose, fertile soil that drains well but retains moisture.
Direct sowing is your best bet with mesclun mix since these greens don't transplant well and you want continuous harvests. Broadcast seeds evenly over prepared soil, aiming for about 15-20 seeds per square foot, then lightly rake to cover with just 1/4 inch of soil. You can also sow in shallow rows spaced 4-6 inches apart. Water gently with a fine spray to avoid washing away seeds.
Succession planting is crucial for continuous harvests—sow new patches every 2-3 weeks from early spring through late summer. In zones 7-10, you can grow mesclun through winter with some protection. Stop succession planting about 8 weeks before your first hard frost.
Fertilize lightly with a balanced liquid fertilizer (like 10-10-10) diluted to half strength every 2-3 weeks, or side-dress with compost. Avoid high-nitrogen fertilizers that can cause rapid, weak growth prone to disease. Keep soil consistently moist but not waterlogged—inconsistent watering leads to bitter flavors and premature bolting.
The biggest mistake gardeners make is planting too thickly and not thinning. Crowded plants are more susceptible to fungal diseases and produce smaller leaves. Thin to about 2 inches between plants when seedlings are 1 inch tall. Another common error is waiting too long to harvest—mesclun is meant to be cut young and tender, typically when leaves are 2-4 inches long.
Maximize your yield by practicing cut-and-come-again harvesting. Cut the entire plant about 1 inch above soil level when leaves reach 3-4 inches, and most varieties will regrow for 2-3 additional harvests. In hot weather, provide afternoon shade with row covers to prevent bolting and maintain tender leaf texture.
Harvesting
Begin harvesting your mesclun mix when leaves reach 2-4 inches in length, typically 21-28 days from sowing for the most tender baby greens. The key visual cue is when the first true leaves have fully developed but before any plants show signs of elongated stems or flower buds, which indicate bolting and bitter flavors.
Harvest in the early morning when leaves are crisp and full of moisture, avoiding the heat of midday which can cause wilting. Use clean scissors or a sharp knife to cut the entire plant about 1 inch above soil level—this preserves the growing crown for regrowth. Never pull plants by hand as this damages roots and surrounding seedlings.
For continuous harvest, employ the cut-and-come-again method: harvest every 7-10 days once plants reach size, cutting only the outer leaves and allowing the center to continue growing. Most mesclun mixes will provide 2-3 successive harvests from a single sowing. Stop harvesting once plants begin to bolt (develop tall central stems) as leaves become increasingly bitter.
Storage & Preservation
Immediately after harvest, plunge mesclun leaves in cold water to remove soil and maintain crispness. Gently spin dry in a salad spinner or pat with clean towels—excess moisture causes rapid deterioration. Store fresh mesclun in perforated plastic bags or airtight containers lined with paper towels in your refrigerator's crisper drawer at 32-40°F. Properly stored, fresh mesclun maintains quality for 5-7 days.
Unlike heartier greens, mesclun doesn't preserve well through traditional methods. The delicate leaves don't freeze, can, or dry successfully while maintaining their signature texture and flavor. Instead, focus on succession planting every 2-3 weeks for continuous fresh harvests. If you have excess harvest, mesclun makes excellent additions to green smoothies when used immediately, or can be lightly sautéed as a cooking green, though this eliminates its fresh salad appeal.
History & Origin
Mesclun originates from the Provence region of southeastern France, where the name derives from the Niçois dialect word 'mesclum,' meaning mixture. This traditional blend was created by French market gardeners in the 1800s as an efficient way to grow diverse salad greens in small spaces while providing customers with varied flavors and textures in a single purchase.
The original Provençal mesclun typically included four specific plants: arugula (roquette), chervil, endive, and lettuce, representing the four flavor profiles of bitter, herb, sharp, and mild. French cooks valued this balance as essential for a proper salade composée.
Mesclun gained popularity in American gardens during the 1980s gourmet food movement, when renowned chefs like Alice Waters at Chez Panisse championed fresh, locally-grown salad greens. Today's commercial mesclun mixes vary widely from the original recipe, often including spinach, Asian greens, herbs, and various lettuce varieties, adapting to local growing conditions and taste preferences while maintaining the core concept of diverse, young salad greens harvested together.
Advantages
- +Single packet provides 4-6 different salad varieties, eliminating need to purchase multiple seed packets
- +Cut-and-come-again harvest yields 2-3 harvests from one sowing over 4-6 weeks
- +Ready to harvest in just 21-28 days, faster than most individual salad crops
- +Excellent space efficiency—high yield per square foot due to dense planting and baby leaf harvest
- +Perfect for succession planting with small weekly sowings providing continuous harvest
- +Tolerates partial shade better than most vegetables, ideal for limited sun gardens
- +Complex flavor profile in each harvest combines mild, peppery, and slightly bitter tastes
Considerations
- -Individual plant varieties may mature at different rates, creating uneven harvests
- -Short shelf life of 5-7 days requires frequent harvesting and immediate use
- -Cannot save seeds reliably since it's a mixture of different species and varieties
- -More expensive per ounce than buying individual variety seed packets
- -Some components may bolt earlier than others in hot weather, affecting overall quality
Companion Plants
Plant Together
Chives
Repels aphids and other pests that commonly attack lettuce
Carrots
Deep roots don't compete with shallow lettuce roots, helps break up soil
Radishes
Quick-growing, helps loosen soil and deters flea beetles
Marigolds
Repels nematodes and aphids, attracts beneficial insects
Nasturtiums
Acts as trap crop for aphids and cucumber beetles
Garlic
Natural pest deterrent, repels aphids and slugs
Spinach
Similar growing requirements, efficient use of garden space
Dill
Attracts beneficial insects like ladybugs and lacewings
Parsley
Attracts beneficial insects and doesn't compete for space
Keep Apart
Broccoli
Heavy feeder that competes for nutrients and can shade lettuce
Sunflowers
Allelopathic effects inhibit lettuce growth, creates excessive shade
Pests & Disease Resistance
Resistance
Variable based on mix components. Generally good disease tolerance when harvested young.
Common Pests
Aphids, slugs, flea beetles
Diseases
Downy mildew, damping off in wet conditions