FlowersDwarf Morning Glory
Convolvulus tricolor
Dwarf morning glory is a compact, bushy annual with royal blue, trumpet-shaped flowers that bloom through summer. It grows in full sun and is easy to start from seed.
How to grow dwarf morning glory
Side by side
Pick two or three seeds to see how they grow, side by side: sprouting, spacing, sun, water, frost and pet safety in one table.

Comparing Dwarf Morning Glory vs. Alpine Aster
The comparison
| Fact | ![]() | ![]() |
|---|---|---|
| Difficulty | Easy | Moderate |
| Life cycle | Annual | Perennial |
| Sun | Full sun, partial shade | Full sun |
| Containers | Yes | Yes |
| Frost tolerance | Not yet verified | Hardy |
| Links |
Up close
What each one is, in a few lines, with the full growing guide one click away.
FlowersConvolvulus tricolor
Dwarf morning glory is a compact, bushy annual with royal blue, trumpet-shaped flowers that bloom through summer. It grows in full sun and is easy to start from seed.
How to grow dwarf morning glory
FlowersAster alpinus
Alpine aster is a clump-forming perennial with violet daisy-like flowers, about 4 to 20 inches (10 to 50 cm) tall, that grows in full sun and well-drained soil and is hardy.
How to grow alpine asterKeep comparing
Add a third seed, or swap one for a close relative from the same category.


Dwarf Morning Glory vs. Alpine Aster vs. African DaisyAdd african daisy as a third

Dwarf Morning Glory vs. Alpine Aster vs. African MarigoldAdd african marigold as a third

Dwarf Morning Glory vs. Alpine Aster vs. AgeratumAdd ageratum as a third
Dwarf Morning Glory vs. African DaisyDwarf Morning Glory against another flower
Alpine Aster vs. African DaisyAlpine Aster against another flower
Dwarf Morning Glory vs. African MarigoldDwarf Morning Glory against another flowerThe table, row by row
Every row is a fact from each seed's own profile, lined up so the differences stand out.
Germination time and temperature
How many days the seeds take to sprout, and the temperature range they sprout in.
Sowing depth and spacing
How deep to sow each seed and how far apart the plants should grow. “On the surface” means the seed isn't covered.
Days to maturity and life cycle
How long until the plant is ready, counted from sowing or from transplanting (each value says which). Annuals live one year, biennials two, perennials longer.
Sun and water
Full sun means 6 or more hours of direct sun a day, partial shade a few hours. Water needs are rated low, moderate or high.
Containers, frost tolerance and soil pH
Whether it grows in a pot, with the smallest pot when it's known. Frost tolerance runs from tender (no frost) to hardy. Soil pH 7 is neutral.
Toxicity to cats and dogs
Whether the plant is toxic to cats and dogs.
Quick wins
Days from sowing until the first shoots appear, in good conditions.
Pet friendly
Listed as non-toxic to both cats and dogs. Each seed's page has the details.
Not safe for pets: borage, buckwheat, caraway, carnation and 14 more.
Comparing
Each seed's page explains how to grow it from seed, with facts researched and reviewed by our editors.