A highly popular variety of Morning Glory, award-winning Ipomoea tricolor ‘Heavenly Blue’ is a lovely annual vine with large, heart-shaped leaves and vibrant, azure-blue trumpet-shaped flowers. Opening in the morning to reveal their white and yellow throats, the flowers, 3-5 in. (8-13 cm), close in the afternoon, hence the common name.

In Ipomoea tricolor 'Heavenly Blue', the colour of the flower changes during blossom according to an increase in vacuolar pH. [12] [13] [14] This shift, from red to blue, is induced by chemical modifications affecting the anthocyanin molecules present in the petals.

Ipomoea purpurea 'Heavenly Blue' is one of the most popular morning glory varieties. Its buds are long and tightly furled, but as the morning sunshine reaches them they steadily unfold themselves into large sky-blue trumpets with clear white and yellow throats.

The tricolor refers to the specific flower color of blue, pink, purple, or white, the pale yellow center, and the streaks of white that form a star shape along the petals. The morning glory will thrive best in full sun and moist, well-drained soil.

morning glory 'Heavenly Blue' A twining annual with heart-shaped leaves and funnel-shaped, deep sky-blue flowers to 8cm across, with white throats

This popular, traditional morning glory produces attractive, clear, 2-1/2 to 4" mid-blue flowers. Color: Mid-blue

Gardeners love mexican morning glory 'Heavenly Blue' for its beautiful blooms and for how fast it grows, climbing quickly upward. It also does well in hanging pots and containers. Try for Free

The quintessential morning glory featuring sky blue petals surrounding a bright white eye. This beloved heirloom is a vigorous climber covering structures high and low with gorgeous blossoms that last for the entire summer. Heavenly Blue thrives in full sun but tolerates a bit of shade. Robust vines stretch to 6 feet. 25 Seeds Minimum

Seeds sown directly in the garden. Plant database entry for Morning Glory (Ipomoea tricolor 'Clarke's Heavenly Blue') with 9 images and 28 data details.

Grow the ever so popular "Heavenly Blue" Morning Glory, from freshly harvested Ipomoea tricolor flower seeds. Heavenly Blue is the most common variety of Morning Glory climber available. Its trumpet shaped flowers bloom to a diameter of roughly 6 inches wide.