Plant Database / Petunai plant care

Petunai

Petunia

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Belonging to the Petunia genus, Petunai has a botanical name of Petunia.

Although some species of petunia are tropical perennials, today’s hybrids are usually grown as annuals.

Petunai is a flower / ornamental annual, it will last but a year in its native climate. Petunai normally grows to a spreading habit with a max height of 7.02 inches (that's 18.0 cm metric). Try planting Petunai if you'd like to attract butterflies and bees to your garden. Popular varieties of Petunai with home gardeners are Cascading, Easy Wave™, Wave Purple, dwarf bedding mixed colors, and Tidal Wave™.

Argentina is believed to be where Petunai originates from.

Being a fairly low maintenance plant, Petunai is normally quite easy to grow provided a minimum level of care is given throughout the year. It will be helpful to note the correct soil, sun and water needs of this plant to ensure that this plant thrives.

This plant info is provided by the myfolia gardener's wiki. All details about Petunai have been kindly provided by our members.

How to grow Petunai

Full Sun
OR +
Partial Sun
+
Medium

Enjoys a full sun / partial sun position in your garden and remember to water moderately. Zone 5 to 9 are typically the USDA Hardiness Zones that are appropriate for this plant (although this can vary based on your microclimate). A soil ph of between 5.5 and 7.0 is ideal for Petunai as it does best in weakly acidic soil - neutral soil. Keep in mind when planting that Petunai is thought of as half hardy, so although it can survive a small mild cold snap, it is wise to ensure that this plant is protected from frost damage.

Growing Petunai from seed

Petunia seed needs light to germinate, so don’t cover the seed.

By our calculations*, you should look at sowing Petunai about 77 days before your last frost date .

Transplanting Petunai

Companion plants for Petunai

These plants have been known to grow well alongside Petunai so consider planting:

Repellent plants for Petunai

These plants will not grow well with Petunai so avoid planting these within close proximity:

Common Petunai problems

These problems, diseases and pests are known to affect Petunai plants:

Other names for Petunai

Petunia x hybrida, Petunia x, Petunia hybrida

Latest Petunai Reviews

11 Oct 2012

Russell_G's Pertunia 'Super Cascade' F1 Hybrid was Reviewed day 235

Great seeds that gave me an abundance of flowers from each plant. Beautiful colours and the blooms started early June and continued all the way through till the end of September.

5 stars
05 Jun 2012

goddessjoy's Black Petunia was Reviewed day 60

This petunia is more profuse in its blooming habit than any other petunia I have ever grown. It just won’t stop! Beautiful flower color with no striping at all. Is holding up nicely in my hot, dry, sunny patio garden.

5 stars
05 Jun 2012

goddessjoy's Pinstripe Petunia was Reviewed day 60

This petunia is wonderful. It is a reliable, profuse bloomer and is holding up nicely in direct, hot sun.

5 stars
14 May 2011

macchick's Petunia 'Blue Wave Hybrid' was Reviewed day 69

These wave petunias are easy to start from seed and flower all summer without much intervention.

5 stars

See all Petunai reviews and experiences »

Petunai care instructions

Category The lifecycle that this Petunai exhibits. Annual Difficulty How easy is Petunai to grow? Easy 2/5
Lifecycle The lifecycle that this Petunai exhibits. Annual Growth Habit What shape or habit does Petunai grow into? Spreading
Hardiness How frost hardy is Petunai? Half Hardy Country of Origin Where did Petunai come from? Argentina
Mature Height How tall does Petunai grow? 18.0 cm / 7.02 inches Mature Spread How wide does Petunai grow? Help build our wiki!
USDA Zone Range Which zones does Petunai grow best in? Zone 5 to Zone 9 pH Range The level of acidity for Petunai. 5.5 - 7.0
Water Requirements How much water does Petunai require? Medium Nitrogen Requirements How much nitrogen fertilizer does Petunai need? Help build our wiki!
Soil What sort of soil should I plant Petunai in? Help build our wiki! Sun How much sunlight does Petunai need to grow? Full Sun / Partial Sun
Can Sow Direct? Can Petunai be sown directly? No Sowing Depth How deep to plant Petunai? 0.3 cm / 0.12 inches
Sowing Distance Apart How far apart to plant Petunai? Help build our wiki! Sowing Row Distance Apart How far apart to plant rows of Petunai? Help build our wiki!
Ideal Germination Temperature Range What temperatures does Petunai need in order to germinate? Help build our wiki! to Help build our wiki! Growing Temperatures What temperatures are best to grow Petunai in? Help build our wiki! to Help build our wiki!
Planting Distance Apart How far apart to plant Petunai seedlings. Help build our wiki! Planting Row Distance Apart How far apart to plant rows of Petunai seedlings. Help build our wiki!
Bloom Time When will Petunai bloom? Help build our wiki! Harvest Time When is Petunai ready for harvest? Help build our wiki!
Pruning Time When should I prune Petunai? Help build our wiki!

How long does Petunai take to grow?

These estimates for how long Petunai takes to sprout, grow and harvest are from real observations from real gardeners, right around the world. Start logging and journaling your observations to participate!

Days to Germination How long does it take Petunai to germinate? 22 days Average 22 days | Min 1 days | Max 68 days (39)
Days to Transplant How long until I can plant out Petunai? + 81 days Average 81 days | Min 65 days | Max 85 days (8)
Days to Maturity How long until Petunai is ready for harvest / bloom? + 40 days Average 40 days | Min 10 days | Max 182 days (11)
Total Growing Days How long does it take to grow Petunai? = 143 days

When should I plant Petunai?

Our when to plant Petunai estimates are relative to your last frost date. Enter your frost dates and we'll calculate your sowing and planting dates for you!

Petunai