Plantes d’extérieur
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ornamental flower
Le potager ornemental de Catherine
Ipomoea purpurea
Morning glory 'Decapo Light Blue' belongs to Ipomoea purpurea. The plant completes its life cycle in one season. The flowers are pale blue, opening early in the morning and closing at noon. Needs a 2 m (6.6 ft) stake. These characteristics help you choose its position in the garden and compare this selection with other cultivars in the same group. Plan its location around its growth, leaving enough room to observe and care for the plant. The sowing date, available light and warmth received then influence the pace of growth in Quebec.
Choose a growing location in full sun, with soil that allows excess water to drain away freely. Start seeds indoors 3 to 5 weeks before the last frost. Sow directly or transplant when nighttime temperatures do not fall below 10 °C (50 °F). Sow the seeds at a depth of 1 cm (0.4 in). Leave 30 cm (11.8 in) between plants. In Quebec, adjust the timing of planting to the frost risks in your particular area and to the life cycle of the plant. Keep the growing mix slightly moist during emergence without saturating it, and provide light as soon as seedlings appear.
Position the plants where their flowers will remain clearly visible, taking their expected height and spread into account when arranging the planting. Leave access for watering at the base, following buds as they open and removing damaged stems. Group plants with similar requirements for light exposure and soil moisture, while avoiding crowding young plants together simply to create an immediate visual effect. Leave enough room for the foliage as it continues to grow and develop through the season. For this annual, follow flowering through the season and choose which stems to keep for their seeds. Keep labels in place to recognize each variety, even after the flowers have faded. Keep these flower seeds dry until the next sowing.
Sowing guide
Soil and care
Bloom and dimensions

Garden associations
Frequently asked questions
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