With its white starry speckles, this gorgeous purple petunia is nothing short of otherworldly.

Petunias are valued for their ability to bringlong-lasting colorto your garden or patio in the summer.

Petunias are annuals, so they last only one growing season.

purple petunia galaxy flower

Credit: Courtesy of @stabilityfarmgreenhouse

Once they’re blooming, they’ll continue flowering for months until thefirst fall frost.

If you want tostart seeds yourself, there are lots ofplaces to buy seeds online.

Just follow the instructions on the seed packettypically, they need to get growing by late February.

For most regions, mid-May to early June is the best time to plant theseone-of-a-kind petuniasoutside.

Remove the plant and loosen the roots a bit from the root ball before placing in the hole.

Backfill with soil, tamp lightly, and water well.

If there is any less, your plants will likely produce fewer flowers.

The organic soil’snutrientswill help them continue blooming throughout the season.

Don’t overwater in-ground Night Sky petunias, or their stems will grow weak.

When the weather is hot, water once a week, adding 1 to 2 inches of water.

Hanging baskets and containers will need more water due to extra drainage and greater exposure to heat and wind.

When winter starts, they’ll quickly succumb to the cold weather.

Pruning

Keep your Night Skypetunias growing and floweringbydeadheadingthem regularly and trimming leggy stems.

Don’t use a container that’s too large, as this can leave plants vulnerable to root rot.

Water the plant in its new container.

Pests and Problems

Night Sky petunia plants can bebothered by aphids, whiteflies, and slugs.

Botrytis (a gray mold fungus) can develop when these plants get too much water.

Good drainage in containers will help prevent this.

Always wait until the top of the soil dries out before watering.

Pink Sky Petunia

‘Pink Sky’ petunia has hot pink blooms.

The sturdy stems and long vase life make the flowers suitable for cutting.

It’s native to grass prairies.

Zones 3-9

Frequently Asked Questions

Your plants are either getting too much water or too little.

Check the soil before watering to double-check it’s dry enough and needs moisture.

In general, cooler temperatures yield more white spots, and warmer temperatures intensify the purple color.