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Ismene 'Sulphur Queen'
Ismene
Ismene 'Sulphur Queen'. Add a touch of elegance and fragrance to your garden with Ismene 'Sulphur Queen', an exceptional variety of Peruvian Daffodil. Its pale yellow flowers with delicately curled petals release an enchanting fragrance, perfect for beds, borders, and bouquets. Blooming from June to October, it thrives in full sun to partial shade and adapts well to both in-ground planting and containers. A simple foliage background allows you to appreciate its nuances and form without adding competing patterns. Planting it near a pathway allows you to appreciate the plant's details as it develops. Compare the textures of nearby foliage to create a cohesive arrangement that remains legible as the plants grow.
- Quantity
- 1 bulb
- Exposure
- Sun to partial shade
Discover the plant
Common nameIsmene
GenusIsmene
TypeBulb to plant
Botanical nameIsmene
Ismene ‘Sulphur Queen’ (Ismene). Add a touch of elegance and fragrance to your garden with Ismene 'Sulphur Queen', an exceptional variety of Peruvian Daffodil. Its pale yellow flowers with delicately curved petals exude an enchanting fragrance, perfect for flowerbeds, borders, and bouquets. Blooming from June to October, it thrives in full sun to partial shade and adapts well to both in-ground planting and pots. A simple foliage background allows you to enjoy its nuances and shape without adding competing patterns. Planting it near a pathway allows you to appreciate the details of the plant as it develops. Compare the textures of neighboring foliage to create an arrangement that remains legible as the plants grow.
Prepare fertile and well-drained soil, then choose a bright location where the stems can develop undisturbed. In the Quebec climate, plant it outdoors after the last frost or start it indoors in a container. Use a pot with drainage holes if you want to facilitate moving it before winter. Respect the depth indicated for the material sold and leave enough space between plants to avoid hindering their growth. Water after planting, then adjust watering based on the actual soil moisture. Slightly moist soil during growth is better than a succession of marked droughts and excessive watering.
After flowering, keep the foliage green to allow the underground organs to replenish their reserves. Gradually reduce watering as the leaves yellow and the plant goes dormant. In Quebec, plan for winter protection from frost: carefully lift the storage organs or bring the container indoors before severe cold. Let the aerial parts dry, remove loose debris, and keep a label with the selection name. Occasionally check the condition of the plants during storage to detect excessive humidity. When growth resumes, gradually resume watering in a well-drained substrate.
Planting guide
Plant well.Grow beautifully.
Growing method
Prepare fertile, well-drained soil, then choose a bright location where the stems can grow undisturbed. In Quebec's climate, plant outdoors after the last frosts or start in a container indoors. Use a pot with drainage holes if you want to make it easier to move before winter. Respect the indicated depth for the material sold and leave enough space between plants to avoid hindering their growth. Water after planting, then adjust watering based on the actual soil moisture. Slightly moist soil during growth is better than a succession of prolonged dry spells and excessive watering. After flowering, keep the foliage green to allow the underground organs to replenish their reserves. Gradually reduce watering when the leaves turn yellow and the plant enters dormancy. In Quebec, plan for wintering protected from frost: carefully lift the storage organs or bring the container indoors before severe cold. Let the aerial parts dry, remove detached debris, and keep a label with the selection name. Occasionally check the condition of the planting during storage to detect excessive humidity. When growth resumes, gradually resume watering in a well-drained substrate.
Soil and care
The right care,at the right time.
Watering
Water sparingly during growth and allow the soil surface to dry slightly between waterings. Pour water slowly at the base to moisten the root area without saturating it. Check below the surface before watering again: rain, heat, and wind alter needs. In pots, check moisture more often and empty the saucer after watering. Gradually reduce watering as the foliage naturally yellows and the plant goes dormant.
Soil type
Opt for loose, well-drained soil where water doesn't linger around roots or bulbs. Check drainage after rain: water should be able to exit the root zone. Work the soil when it's dry to avoid compacting it. Adapt amendments to its actual texture. For container plants, use an appropriate potting mix and a pot with drainage holes. Keep these openings clear and prevent any water accumulation in the saucer.
Fertilization
A liquid fertilizer high in potassium will promote abundant flowering. Follow the dosage instructions on the fertilizer packaging and measure the quantity before applying it. Take into account any compost and other nutrients already provided to avoid over-fertilizing the same plant. Distribute the product according to its instructions; avoid concentrated contact with roots or storage organs.
Seasonal care
Prepare fertile, well-drained soil, then choose a bright location where the stems can grow undisturbed. In Quebec's climate, plant outdoors after the last frost or start in a container indoors. Use a pot with drainage holes if you want to make it easier to move before winter. Respect the indicated depth for the material purchased and leave enough space between plants to avoid hindering their growth. Water after planting, then adjust watering to the actual soil moisture. Slightly moist soil during growth is better than a succession of prolonged dry spells and excessive watering. After flowering, keep the foliage green to allow underground organs to replenish their reserves. Gradually reduce watering when the leaves yellow and the plant enters dormancy. In Quebec, plan for wintering protected from frost: carefully lift the storage organs or bring the container indoors before severe cold. Let the aerial parts dry, remove detached debris, and keep a label with the selection name. Occasionally check the condition of the planting during storage to detect excessive humidity. When growth resumes, gradually resume watering in a well-drained substrate. Over the seasons, observe new shoots, soil moisture, and the condition of the stems. A durable label helps locate the planting during dormancy. Clean tools after cutting diseased parts and remove debris that degrades around the base.
Container growing
A garden,within reach.
Container gardening requires anticipating the necessary volume for the roots and the plant's final height. Choose a stable pot with drainage holes and a substrate suitable for planting. Leave enough space to respect the recommended depth and spacing, rather than crowding plants to immediately fill the pot. Place the container in the indicated exposure and regularly check the moisture, especially in hot or windy weather. A pot is more exposed to temperature variations than a plant in the ground. Therefore, plan for a wintering location compatible with the plant's needs and your region's climate from the outset. Prepare fertile, well-drained soil, then choose a bright location where stems can develop without being disturbed. In Quebec's climate, plant outdoors after the last frosts or start in a sheltered container. Use a perforated pot if you want to facilitate moving it before winter. Respect the indicated depth for the material sold and leave enough space between plants to avoid stunting their growth. Water after planting, then adjust watering based on the actual soil moisture. Slightly moist soil during growth is better than a succession of marked droughts and excessive watering. In winter, protect the container according to the plant's needs: its roots are more exposed to cold than in the ground.
Bloom and dimensions
Its place,in your garden.
Mature height
20" (50 cm)
Bloom period
Flowering from June to October, it thrives in full sun to partial shade and adapts well to both garden beds and pots. Weather conditions and the development stage at planting time can influence when flowers appear. Observe the buds opening to enjoy the flowering at its best. After the flowers, keep the foliage green to allow the plant to complete its cycle.
Garden associations
In goodcompany.
Companion plants
To accompany Ismène ‘Sulphur Queen’, you can consider plants chosen for compatible sun exposure and water needs. Choose neighboring varieties based on their height, flowering period, and the colors you wish to combine. Most importantly, ensure their sun exposure and water needs are suitable for the same location. Leave enough space so that leaves do not obscure young shoots and to allow easy access to each plant during maintenance. These pairings are meant to compose the garden’s aesthetic; they do not guarantee protection against pests or diseases. Adjust the layout after observing one growing season.
Frequently asked questions
Your questions,answered.
How to successfully plant an Ismene ‘Sulphur Queen’?
Prepare fertile, well-drained soil, then choose a bright location where the stems can grow undisturbed. In Quebec's climate, plant outdoors after the last frost or start them in a container indoors. Use a pot with drainage holes if you wish to facilitate moving them before winter. Respect the indicated depth for the purchased material and leave enough space between plants to avoid stunting their growth. Water after planting, then adjust water input based on actual soil moisture. Slightly moist soil during growth is better than a succession of marked dry periods and excessive watering.
What light should I plan for Ismène 'Sulphur Queen'?
The recommended exposure is sun to partial shade. Observe the light at the chosen location in the morning and afternoon, as the shade from trees or buildings changes throughout the day. Also consider nearby plants: their foliage can obscure a young planting as it develops. For potted plants, place the pot where you can move it if conditions become too hot or too shady. Suitable exposure must go hand in hand with appropriate soil and watering. If you move a plant started indoors to the outdoors, gradually accustom it to garden conditions to avoid too abrupt a transition for the young leaves.
How to adjust watering?
Water according to the actual soil moisture, taking into account rain, heat, and wind. Check below the surface before deciding on a new watering: soil that is dry on the surface may still be moist at the root level. Direct the water to the base and allow it to penetrate, without keeping the plant in saturated soil. Containers generally require more frequent checks because they dry out faster. Make sure their drainage holes remain clear and empty any saucers that retain water. Also adapt care to the plant's cycle: active growth and a resting period do not require the same amount of watering.
What to plan for container gardening?
Container gardening requires considering the necessary volume for the roots and the plant's final height. Choose a stable pot with drainage holes and a suitable growing medium. Leave enough space to respect the recommended depth and spacing, rather than cramming plants together to fill the pot immediately. Place the container in the recommended exposure and regularly check the moisture, especially in hot or windy weather. A pot is more exposed to temperature variations than a plant in the ground. Therefore, plan for a wintering location from the outset that is compatible with the plant's needs and your region's climate.
What care should be provided after the growing season?
After flowering, keep the foliage green to allow the underground organs to replenish their reserves. Gradually reduce watering when the leaves turn yellow and the plant goes dormant. In Quebec, plan for frost-protected winter storage: carefully lift the storage organs or bring the container indoors before severe cold. Let the aerial parts dry, remove detached debris, and keep a label with the selection name. Occasionally check the condition of the planting during storage to identify excessive moisture. When growth resumes, gradually resume watering in a well-drained substrate.
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