Organic leafy vegetable seeds

Biologiquement vôtre

Lactuca sativa

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From seed to harvest

Common nameRed and green lettuce mix
FamilyAsteraceae
GenusLactuca
Speciessativa
TypeOrganic blend of red and green lettuces
Botanical nameLactuca sativa

Organic 'Gourmet Mix' lettuce (Lactuca sativa) combines red and green lettuces with varied shapes, textures, and shades. Harvested young, the leaves make a tender fresh colourful blend; allowed to grow longer, they develop more volume and crunch. This mix suits composed salads, sandwiches, wraps, and garnishes while creating an attractive edible mosaic in the garden. Its exact cultivar composition is not specified. This natural variability adds interest without guaranteeing one precise proportion of every colour, shape, or texture in each sowing throughout successive harvests in the home garden.

Direct-sow into fine soil as soon as the ground can be worked, approximately 0.5 cm deep. For continuous harvest, make small sowings every two weeks instead of one large batch. Keep the surface moist until emergence, then maintain even moisture without waterlogging. Sun suits cool weather; light afternoon shade helps preserve tenderness during warm periods. Loose well-drained soil enriched with mature compost supports rapid uniform growth. Thin clumps after emergence so slower seedlings retain enough light, water, and airflow to remain part of the blend through repeated consistent garden cuttings.

Germination generally takes 7–14 days at 10–20°C. Plants reach approximately 20–25 cm in height and 20–30 cm in spread; harvest begins 30–55 days after sowing depending on the desired stage. Cut outer leaves or one strip of baby foliage while leaving centres intact to encourage regrowth. Harvest early in the morning and chill promptly. When heat elongates the central stem or makes foliage more bitter, remove plants and begin another small batch in a cooler location. Wash leaves carefully, dry them, and refrigerate promptly in a clean container after every cutting.

Light and life cycle

In the garden

Exposure
Full sun to partial shade
Life cycle
Annual vegetable
Sowing and germination

Sowing guide

Sowing & germination

Sowing depth

Barely cover, approximately 0.3 to 0.5 cm (1/8 to 1/4 in)

Spacing / density

Baby leaves: thin to 2–5 cm; developed rosettes: 20–30 cm, with 30–45 cm between rows

Germination temperature

Approximately 10 to 20 °C (50 to 68 °F); germination declines sharply in warm soil

Germination time

Approximately 7 to 14 days

Sowing period

Early spring as soon as soil can be worked; late summer for an autumn harvest

Propagation

Direct sowing or indoor sowing three to four weeks before transplanting

Growing method

Growing lettuce from seed. Loosen and level the surface, moisten it, then sow approximately 0.5 cm deep. For baby leaves, distribute seed evenly without clumps; for large rosettes, thin gradually to 20–30 cm. Keep the bed moist during the 7–14 day germination period. Sow another small strip every two weeks, hand weed to avoid uprooting seedlings, and provide light shade when soil becomes very warm. After emergence, thin clumps while retaining different colours and shapes where practical. Apply light mulch once plants are established to limit splashing and drying. For baby-leaf harvest, cut several centimetres above the soil without injuring every centre; for developed rosettes, pick outer leaves or harvest the whole plant. During summer, sow early in the morning, shade the bed until emergence, and choose the coolest available location. Avoid beds recently occupied by diseased lettuce, improve drainage, and rotate with unrelated crops. Wash harvest, dry it, and refrigerate promptly. Label every strip with its sowing date so the oldest section is cut first. Remove bolting plants promptly. Inspect young plants for slugs, keep covers ventilated after rain, avoid handling soaked foliage, and preserve a clear path for gentle watering near the soil.
Soil and care

Soil and care

Soil & care

Soil pH

Approximately 6.0 to 6.8

Moisture

Evenly moist soil without saturation

Care level

Easy

Watering

'Gourmet Mix' lettuce has a compact, shallow root system, so keep the soil evenly moist while its red and green leaves with varied shapes, margins, and textures develop. Water 'Gourmet Mix' lettuce gently at soil level, let the surface begin drying before the next irrigation, and never leave its crown in standing water. Direct 'Gourmet Mix' lettuce's water beside the rosette so it does not remain trapped in the forming head. Within a mixed 'Gourmet Mix' lettuce sowing, inspect several points because dense patches and gaps dry at different rates. Check container-grown 'Gourmet Mix' lettuce daily in warm wind, but empty its saucer promptly.

Soil type

'Gourmet Mix' lettuce prefers a fine, fertile seedbed that stays evenly moist without becoming dense around its shallow roots. For 'Gourmet Mix' lettuce, blend mature compost through the upper root zone, level the surface, and remove hard clods before planting. Use approximately 6.0 to 6.8 as 'Gourmet Mix' lettuce's supplied pH target, testing before attempting to change it. Keep 'Gourmet Mix' lettuce's crown at soil level, avoiding a low pocket where water could collect inside the red and green leaves with varied shapes, margins, and textures. For container-grown 'Gourmet Mix' lettuce, use the recommended soil volume, fresh vegetable mix, and open drainage holes.

Fertilization

Prepare Red and green lettuce mix with finished compost and moderate fertility before sowing. When tending Red and green lettuce mix, in an already fertile bed, one light balanced application is more useful than repeated feeding while the red and green leaves with varied shapes, margins, and textures develops. Read leaf colour and new growth before repeating an application. For 'Gourmet Mix' lettuce, heavy or late nitrogen can produce soft leaves that are harder to cool after harvest. Correct light, drainage, and irrigation problems before assuming 'Gourmet Mix' lettuce lacks fertilizer. Stop or reduce feeding when Red and green lettuce mix already shows balanced growth.

Seasonal care

Seasonal care for lettuce. Start 'Gourmet Mix' lettuce when its bed and the local frost pattern are ready; the supplied window is early spring as soon as soil can be worked; late summer for an autumn harvest. Sow and barely cover with approximately 0.3 to 0.5 cm of mix in approximately 10 to 20 °C (50 to 68 °F); germination drops sharply in warm soil; the working germination range is 7 to 14 days, with moisture held steady rather than saturated. Prepare a fine, fertile, well-drained seedbed and keep the shallow root zone evenly moist from emergence onward. Set the final spacing before leaves overlap heavily, using clean thinning cuts that leave neighbouring crowns undisturbed. Water at soil level in the morning, avoiding both a dry crust and standing moisture inside the developing crown. If potted, follow this provision for 'Gourmet Mix' lettuce: wide container at least 20 to 25 cm (8 to 10 in) deep. Recheck root-zone moisture whenever heat or wind increases evaporation. During warm weather, afternoon shade and renewed sowings can preserve leaf quality, but no placement prevents bolting indefinitely. Check for slugs, chewing insects, and damaged outer leaves, using barriers and sanitation before considering any treatment on an edible crop. Follow the supplied harvest cue—approximately 30 to 55 days after sowing, depending on harvest stage—then cut while leaves are crisp and before the centre elongates or flavour turns strongly bitter. For an autumn crop, sow only when local summer heat is easing and enough growing time remains before persistent freeze. Remove bolted or diseased plants promptly, chill sound leaves after harvest, and leave the bed clean for the next succession.
Growing in containers

Container growing

Container growing

Recommended pot size

Wide container at least 20 to 25 cm (8 to 10 in) deep
Growing lettuce in containers. For Red and green lettuce mix, choose a container matching this guide: wide container at least 20 to 25 cm (8 to 10 in) deep. Keep several drainage holes unobstructed. Sow Red and green lettuce mix thinly or transplant a sturdy seedling without burying the crown. At final planting, space Red and green lettuce mix baby leaves: thin to 2–5 cm; developed rosettes: 20–30 cm, with 30–45 cm between rows; crowding extra plants reduces access. Feed lightly only when growth or leaf colour shows a need. Leave enough access around Red and green lettuce mix to inspect and cleanly harvest red and green leaves with varied shapes, margins, and textures. Use fresh, fine potting mix that holds steady moisture while allowing surplus water to escape. Place Red and green lettuce mix before late-season crowding develops, keeping its mature habit in mind: group of low to upright rosettes varying with the lettuces in the blend. Thin plants for airflow and use removed sound seedlings promptly rather than leaving debris. Give Red and green lettuce mix full sun to partial shade, and keep water from collecting around the crown or container base. For Red and green lettuce mix, harvest clean outer leaves while preserving the centre, or cut the whole plant at its intended stage with a clean knife. Cut clean leaves before bolting, cool them promptly, and remove diseased potting debris from reuse. Succession-sow another labelled container instead of keeping bolting 'Gourmet Mix' lettuce. Remove diseased mix from reuse, wash the pot, and cool every edible harvest promptly.
Growth and harvest

Size, flowering & harvest

Mature height

Approximately 20 to 25 cm (8 to 10 in)

Width / spread

Approximately 20 to 30 cm (8 to 12 in) at full size

Foliage color

Red, green, and intermediate shades depending on seedlings

Foliage type

Mix of red and green leaves with varied shapes and textures

Growth rate

Fast

Growth habit

Group of low to upright rosettes varying with the lettuces in the blend

Fragrance

Mild fresh crisp flavours varying among the lettuces

Edible parts

Leaves and tender centre, thoroughly washed; avoid very bitter bolted plants

Bloom period

Lengthening days or stress can hasten Red and green lettuce mix's bolting. Keep the root zone evenly moist during bloom. 'Gourmet Mix' lettuce flowers only after shifting away from harvest growth. Keep treatments off petals and active pollinators. As this group of low leafy crop producing red and green leaves bolts, leaf or root harvest quality changes. Keep the root zone evenly moist during bloom. For Red and green lettuce mix, its seed stalk becomes taller and less harvest-focused. Good light and airflow help reproductive growth continue. Remove 'Gourmet Mix' lettuce before seed disperses if volunteers are unwanted.

Fruiting

The Gourmet mix produces leaves of different forms rather than a single uniform head or fruit. Harvest decisions should follow the size and condition of each component. Cut a young mixed crop for salad texture, and remove plants that begin bolting ahead of their neighbours. Saving seed from a mixed planting is a separate project and should not delay the main harvest of tender leaves.

Days to maturity

Approximately 30 to 55 days after sowing, depending on harvest stage

Harvest

Begin around 30 days once baby leaves reach useful size. For repeat cutting, gather one small bunch and cut 3–5 cm above soil without injuring centres, then water gently. Outer leaves may also be picked individually or rosettes allowed to develop until approximately 55 days. Harvest early in the morning, remove damaged foliage, chill promptly, and wash only before use. If a central stem elongates, harvest immediately before bitterness develops.
Garden companions

Garden associations

Companion plants & uses

Companion plants

A pea trellis set well back from Red and green lettuce mix can provide light afternoon shade without blocking airflow. Follow 'Gourmet Mix' lettuce with an unrelated crop and keep diseased lettuce residue away from the next succession. When arranging neighbours for Red and green lettuce mix, remove companions that dry the shallow root zone around the group of low to upright rosettes varying with the lettuces in the blend. Around 'Gourmet Mix' lettuce, companions should organize space around the red and green leaves with varied shapes, margins, and textures, not make washing, inspection, or rapid cooling more difficult. Use companion planting to organize succession and diversity, not as a substitute for sound crop care. When arranging neighbours for Red and green lettuce mix, a companion does not guarantee control of insects or disease, so inspect every crop separately.

Plants to avoid

Parsley celery

Garden use

Lettuce in the vegetable garden. Grow 'Gourmet Mix' in a vegetable garden, raised bed, edible border, or wide container. Young red and green leaves create a soft mosaic in front of taller vegetables. Position strips beside a path so cutting does not compact the root zone. For salad mix, sow evenly and thin clumps; for developed rosettes, allow approximately 20–30 cm between plants. Divide the crop into small strips sown every two weeks to spread production. In spring and fall, favour full sun; in summer, light afternoon shade helps preserve tenderness and delay bolting. Radishes, green onions, or low herbs may temporarily occupy open spaces when they do not compete with young lettuce. Light row cover can protect from first frost, but promptly harvest every batch whose centres elongate. After the crop, remove diseased residue, clean tools, and rotate with an unrelated family. Label every strip with its sowing date and preserve a clear watering path. Chill cut leaves promptly. Keep mature strips shaded while harvesting, wash leaves carefully, dry them, and chill without delay. Replace each sparse or bolting strip with a new cool-season sowing when conditions remain favourable, and keep dates visible beside every planting.
Recipe and storage

Recipe idea

From garden to table

Lettuce in the kitchen. Crisp Gourmet Mix salad — Sort the harvest by leaf size, removing damaged pieces, then rinse in cold water and spin very dry. Whisk 20 mL lemon juice with 5 mL Dijon mustard, 30 mL olive oil, black pepper, and a pinch of salt. Slice half a cucumber and four radishes, and combine them with 150 g cooked white beans. Toss those sturdy ingredients with half the dressing first. Add the mixed lettuce immediately before serving and fold gently, adding only enough dressing to give the leaves a light sheen. Finish with chopped herbs and toasted pumpkin seeds. Because a mix contains leaves with different textures, avoid crushing the most delicate ones under heavy toppings. Serve with bread or a grain dish. Discard any slimy, mouldy, or decayed leaves during sorting. Keep washed greens separate from muddy produce and raw animal foods. Refrigerate unused leaves clean and dry in a covered container, and store the dressing separately so the mix stays crisp for the next meal.

Wildlife and pets

Wildlife & precautions

Supporting wildlife

The Gourmet lettuce mix is grown primarily for a varied leaf harvest. Plants that bolt may flower at different times, but the mixture should not be treated as a dependable pollinator seed blend. Maintain separate flowering plants nearby so salad cutting can continue without removing the garden's only available blossoms.

Frequently asked questions

Frequently asked questions

Which varieties are included in Gourmet Mix?
The selection contains a blend of red and green lettuces, but the exact cultivar names and proportions are not specified. Colours, shapes, and growth rates may therefore vary slightly from one sowing to another. Harvest the row as one ensemble and thin only areas where a few seedlings clearly dominate. This missing information prevents assigning one precise variety, proportion, or resistance that may not apply to every seedling. To preserve diversity, retain several colours and shapes while thinning, then harvest a representative selection at every cutting. Label the date and photograph the strip when comparing sowings. Natural variation is expected.
Is it better to harvest young or wait 55 days?
Both methods work. Around 30 days, leaves are small tender and ideal for salad mix. Cutting above centres may provide regrowth. Waiting until approximately 55 days gives more volume and better reveals textures of individual lettuces. During warm weather, harvest younger because large rosettes are more exposed to bolting and bitterness. Harvest early in the morning and chill without delay. One strip may be cut at different stages, but leave enough centres intact when regrowth is desired. After several cuttings, replace plants that become coarse, bitter, sparse, or elongated with a fresh sowing. Keep every harvested portion shaded before washing.
How can the row remain a balanced mix?
Distribute seed as evenly as possible and avoid clumps. After emergence, thin only tightly crowded spots and retain seedlings of different colours and shapes. Regularly cut the tallest leaves so they do not shade slower plants. Even moisture and moderate feeding also reduce growth differences. Since the exact composition is not published, natural variation in the result remains normal. Harvest several different shapes at each cutting instead of taking only the largest leaves. Label strips by date and compare them separately. If one colour becomes scarce, avoid removing every seedling of that colour during one pass. This approach favours visible diversity without claiming control over a proportion the selection does not guarantee.
How can poor summer germination be avoided?
Avoid poor summer germination by keeping lettuce seed cool, shallow, and consistently moist. Sow during the coolest part of the day, barely cover the seed, and use light shade or shade cloth to prevent the surface from overheating. A wide container can be moved away from reflected afternoon heat. Pre-moisten the bed, water gently, and do not let a crust form before emergence. Make small successive sowings rather than committing the whole packet during a hot spell. Once seedlings appear, thin to 2–5 cm for baby leaves or 20–30 cm for developed rosettes. Good spacing and morning irrigation reduce stress as the mixed lettuces grow. If a sowing fails during persistent heat, wait for cooler conditions and resow instead of repeatedly saturating warm soil, which can encourage decay without improving germination.
Can Gourmet Mix be grown in a container?
Yes. A wide container at least 20–25 cm deep works better than one small pot because it holds steadier moisture and provides useful cutting area. Sow in a strip for baby leaves or thin to 20–30 cm for large rosettes. Use well-drained mix enriched with compost, water as soon as the surface begins to dry, and place the container in light partial shade during strong heat. Use the documented container guidance—Wide container at least 20 to 25 cm (8 to 10 in) deep—as the starting point, then keep every drainage opening clear and check moisture below the surface before watering. Leave enough access to inspect Red and green leaves with varied shapes, margins, and textures, and secure any trellis or support independently so moving the vessel does not twist loaded stems.

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