Sale Sold out

Open-pollinated seeds Asteraceae

sunflower

Sunflower Standfast

Name: Sunflower Standfast ( Helianthus annuus )
Brand: Le potager ornemental de Catherine
SKU: POC-SEMENCES
Price: 4.19 CAD
Availability: InStock

Helianthus annuus

Sunflower Standfast is a sunflower variety for gardeners who want a clearly documented crop. It is especially notable for this feature: Sunflower with large edible seeds. The confirmed botanical name, Helianthus annuus, supports accurate identification. The recommended exposure is full sun. Sow indoors in early May. Sow 1 cm deep. Allow 70 cm between plants. Maturity is expected after about 100 days. Harvesting at the proper stage highlights its culinary qualities. These sunflower seeds suit garden projects in Quebec and across Canada. Store the packet in a dry place until sowing and adjust care to local weather. Local weather may still shift the schedule slightly.

Quantity: ±25 seeds
Exposure: Full sun
Life cycle: Annual

Common namesunflower

FamilyAsteraceae

GenusHelianthus

Speciesannuus

CultivarStandfast

TypeOpen-pollinated seeds

Botanical nameHelianthus annuus

Reproducible seedsYes

Sunflower Standfast Helianthus annuus Sunflower Standfast is a sunflower variety offered as seed for gardens in Quebec and across Canada. This variety is especially notable for the following characteristic: Sunflower with large edible seeds. Its confirmed botanical name is Helianthus annuus, which helps gardeners identify the plant accurately. The stated time to maturity is 100 days under favourable growing conditions. The producer lists a mature height of 1,50 to 2 m. Suitable spacing promotes air movement around the foliage. This plant prefers full sun. Full sun, rich and well drained soil.

The confirmed sowing depth is 1 cm. The producer recommends 70 cm between plants. Stable warmth generally encourages more even emergence. Germination time can vary with substrate moisture and temperature. For best results, keep the growing medium lightly moist during germination without saturating it. Once plants are established, water as needed while considering rainfall, drainage, and heat. Regular observation of the foliage makes it easier to adjust watering and care promptly. A light mulch can moderate moisture swings after plants are well established. Avoid persistent waterlogging, which reduces oxygen around the roots.

You can grow this variety beside plants with similar light and soil requirements. Harvesting at the right stage highlights the culinary qualities of this variety. Edible parts can be harvested at the recommended stage and prepared for the intended culinary use. These sunflower seeds offer a clearly presented option for planning a garden project suited to the season. Store the packet in a dry place and use the product-specific details to plan sowing. Gradual hardening off is recommended before outdoor planting when seedlings were started indoors. Watch young plants closely during windy, very hot, or unusually wet periods.

Sowing guide

It all startswith a seed.

Sowing depth

1 cm

Spacing / density

70 cm

Sowing period

Sow indoors in early May.

Propagation

Seed propagation

Growing method

Sow indoors in early May. Sow 1 cm deep. Allow 70 cm between plants. Stable warmth encourages more even emergence. Emergence time varies with warmth and substrate moisture. The recommended exposure is full sun. Full sun, rich and well drained soil. Keep the growing medium lightly moist during germination without leaving it waterlogged. After emergence, provide enough light to encourage compact, steady growth. Thin seedlings when needed so each plant has air, light, and root space. If sowing starts indoors, harden plants off gradually before outdoor planting. Water at soil level when the surface begins to dry, taking rainfall and heat into account. A light mulch can moderate moisture swings after plants are established. Check foliage regularly and remove only damaged growth. Maturity is expected after about 100 days. Harvest at the recommended stage to enjoy the variety’s culinary quality. Results naturally vary with microclimate, sowing date, and consistency of care. Local weather may still shift the schedule slightly. Each observation helps adjust care at the right time. Well-drained soil remains essential for healthy roots. Plant needs naturally change as growth progresses. This simple habit also supports consistent care. Steady care remains helpful throughout the season.

Soil and care

The right care,at the right time.

Care level

Moderate

Watering

During germination, keep the growing medium evenly moist without saturating it. After establishment, water when the soil surface begins to dry. Direct water to the root zone instead of wetting the foliage. Deep, less frequent watering generally encourages better rooting than repeated shallow applications. Reduce frequency after substantial rain and increase it during very hot or windy periods. Check containers more often because potting mix dries faster.

Soil type

Full sun, rich and well drained soil. A loose texture helps roots explore the soil and allows excess water to drain. Add mature compost when needed without making the soil overly rich or compact. Avoid locations where water remains on the surface after rain. Mulch applied after establishment can protect soil structure and reduce evaporation. In containers, use a quality potting mix with effective drainage.

Fertilization

Mature compost incorporated before planting provides a balanced foundation for growth. Use a fertilizer suited to this crop only when plant vigour or soil fertility justifies it. Follow the product label to avoid excessive salts and unbalanced growth. Container-grown plants may need more regular feeding because nutrients are depleted more quickly. Water after application when the fertilizer label recommends it. Observe foliage colour and vigour before adjusting feeding frequency.

Moisture

Consistent moisture without saturation

Seasonal care

At sowing time, prepare a clean, loose, lightly moist growing medium. Sow 1 cm deep. Stable warmth encourages more even emergence. Emergence time varies with warmth and substrate moisture. After emergence, place seedlings under suitable light and check moisture daily. Thin crowded seedlings to reduce competition and improve airflow. Before outdoor planting, harden plants off gradually to sun, wind, and temperature changes. The recommended exposure is full sun. Full sun, rich and well drained soil. Allow 70 cm between plants. During growth, water at soil level according to the weather and remove only truly damaged leaves. A light mulch reduces evaporation and splashing after the soil warms. Monitor edible parts and begin harvesting at the recommended stage. Maturity is expected after about 100 days. Regular picking may support the quality of later harvests while the plant continues producing. At season’s end, remove diseased residue and compost only healthy material. Clean containers and store remaining seeds in a cool, dry place. Care spread throughout the season supports attentive cultivation without unnecessary interventions. Each observation helps adjust care at the right time. Well-drained soil remains essential for healthy roots. Plant needs naturally change as growth progresses. This simple habit also supports consistent care. Steady care remains helpful throughout the season. Regular observation supports balanced plant growth. Consistent attention encourages the best results.

Container growing

A garden,within reach.

Sunflower Standfast can be grown in a container when the soil volume matches the plant’s expected development. Choose a stable pot with drainage holes and use quality potting mix. A larger container holds moisture more evenly and provides more root space. The recommended exposure is full sun. Sow 1 cm deep. Allow 70 cm between plants. After sowing, keep the mix lightly moist until emergence. Place the container where it receives the recommended light without collecting standing water. Check moisture more often than in the ground, especially on hot or windy days. Water slowly until a little drains from the bottom, then let the excess escape. A suitable fertilizer can be used moderately as potting-mix reserves decline. Rotate the pot when needed for more even exposure. Provide support if the plant’s habit or crop load requires it. Harvest regularly at the proper stage and remove damaged parts. Clean the container in fall before using it for another crop. Regular observation supports balanced plant growth. Consistent attention encourages the best results. Local weather may still shift the schedule slightly. Each observation helps adjust care at the right time. Well-drained soil remains essential for healthy roots.

Bloom and dimensions

Its place,in your garden.

Mature height

1,50 to 2 m

Bloom period

Flowering time for Sunflower Standfast depends on sowing date, warmth, and available light. The recommended exposure is full sun. Well-drained soil and even moisture support bud formation. Avoid excessive nitrogen, which may encourage foliage at the expense of flowers. Remove spent flowers only when this practice suits the variety and desired effect. Flowering periods can vary slightly with microclimate and seasonal conditions.

Fruiting

Fruiting in Sunflower Standfast begins after successful flowering and varies with weather. The recommended exposure is full sun. Even moisture helps limit abrupt growth changes while fruit develops. Water at soil level and avoid persistent waterlogging. Good airflow around foliage makes fruit easier to monitor. Maturity is expected after about 100 days. Harvest at the colour, size, or firmness recommended for the variety.

Days to maturity

100 days

Harvest

Maturity is expected after about 100 days. Harvest Sunflower Standfast when edible parts show the size, colour, or texture expected for the variety. Pick with clean hands and use a clean tool when stems resist. Regular harvesting often provides more consistent quality. Discard damaged portions and use the most delicate harvests promptly. Exact timing varies with heat, watering, and sowing date.

Recipe idea

From the gardento your plate.

Edible parts

Parts identified in the producer description

After harvest, gently clean the edible parts of Sunflower Standfast and remove damaged material. Prepare only the parts identified as edible in this profile. For a simple preparation, cut the harvest into even pieces for consistent cooking. Serve it raw when the species is suitable, or cook it gently with a little oil and aromatics. Begin with light seasoning to preserve the variety’s own flavour. Then add fresh herbs, a touch of acidity, or a small amount of salt to suit the dish. Firmer harvests work well in sautés, soups, or oven dishes. Tender parts can be added to salads, garnishes, or quickly served preparations. Always follow preparation methods appropriate to the species, especially when certain parts should not be eaten raw. Refrigerate leftovers in a clean container and use them promptly to preserve quality. This flexible approach adapts to the amount harvested and ingredients already available. Plant needs naturally change as growth progresses.

Frequently asked questions

Your questions,answered.

When should Sunflower Standfast be sown?

Sow indoors in early May. Sow 1 cm deep. Stable warmth encourages more even emergence. Emergence time varies with warmth and substrate moisture. Keep the growing medium lightly moist until emergence without waterlogging it. If sowing starts indoors, give seedlings ample light and harden them off before outdoor planting. The exact date should reflect the last frost, soil temperature, and conditions at your site. Label the sowing with the variety name and date to track germination accurately. This simple habit also supports consistent care. Steady care remains helpful throughout the season. Regular observation supports balanced plant growth. Consistent attention encourages the best results.

Which exposure suits Sunflower Standfast?

The recommended exposure is full sun. Place Sunflower Standfast where this amount of light remains available through most of the growing period. A site that is too dark may stretch seedlings and slow development. In a very hot location, check soil moisture more frequently. Rotate containers when needed for more even exposure. Also consider shade cast by buildings and taller plants as the season progresses. Good airflow complements an appropriate light exposure. Steady care remains helpful throughout the season. Regular observation supports balanced plant growth. Consistent attention encourages the best results. Local weather may still shift the schedule slightly. Each observation helps adjust care at the right time.

How should Sunflower Standfast be watered?

During germination, keep the growing medium evenly moist without saturating it. After Sunflower Standfast is established, water when the soil surface begins to dry. Direct water toward the root zone instead of wetting foliage. Water more often during very hot or windy periods and reduce applications after substantial rain. In containers, check moisture daily when needed because potting mix dries faster. Always allow excess water to drain. Light mulch can help stabilize moisture after plants become established. Regular observation supports balanced plant growth. Consistent attention encourages the best results. Local weather may still shift the schedule slightly. Each observation helps adjust care at the right time.

Can Sunflower Standfast be grown in a container?

Sunflower Standfast can be grown in a container when pot size matches the plant’s expected development. Choose a stable container with drainage holes and fill it with quality potting mix. The recommended exposure is full sun. Check moisture more often than in the ground, especially in hot weather. Water slowly, then allow excess water to drain completely. A suitable fertilizer may help as potting-mix reserves decline. Provide support if the plant’s growth habit or crop load requires it. A sufficiently large pot reduces rapid moisture swings and supports steadier rooting. Consistent attention encourages the best results. Local weather may still shift the schedule slightly.

When is the best time to enjoy Sunflower Standfast?

Maturity is expected after about 100 days. Begin harvesting when edible parts reach the size, colour, or texture typical of the variety. Regular picking helps you enjoy harvests at their best stage. Observe the plant rather than relying only on the calendar because weather can advance or delay development. Discard damaged portions and keep only healthy harvests or flowers. Record important dates to plan the crop more accurately next season. Consistent care supports more even growth and better overall quality. Local weather may still shift the schedule slightly. Each observation helps adjust care at the right time. Well-drained soil remains essential for healthy roots.

Wildlife and pets

Life,around your plants.

Supporting wildlife

Sunflower Standfast can provide resources for visiting insects while it is in flower. Its value varies with flower shape, flowering period, and species present nearby. Avoid insecticide treatments during flowering to protect beneficial visitors. Combine several successive flowering periods to extend nectar and pollen availability. A shallow water source and varied plant shelter further support small garden wildlife.