United States Edition

Basil 'Purple Petra'  

Ocimum basilicum

Purple Petra is part of the Ocimum genus and is a Basil variety. Its scientific name is Ocimum basilicum 'Purple Petra'. The leaves of this particular variety normally show as   Palatinate purple colour. A type of Herb, it mainly grows as an Annual/Perennial plant - which means it typically can have a varying lifetime - from 1 year to several. Purple Petra is known for growing with a forb-like habit to a height of approximately 45.0 cm (that's 1.46 feet in imperial).

Typically, Purple Petra Basil is normally fairly low maintenance and can thus be quite easy to grow - only a basic level of care is required throughout the year to ensure it thrives. Being aware of the basic growing conditions this plant likes (soil, sun and water) will result in a strong and vibrant plant.

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

How to grow Basil 'Purple Petra'

  • Full Sun

  • Medium

Purple Petra likes a position of full sun and remember to water moderately. Keep in mind when planting that Purple Petra is thought of as tender, so it is imperative to wait until temperatures are mild before planting out of doors. The USDA Hardiness Zones typically associated with Purple Petra are Zone 4 and Zone 10. Purple Petra requires a loamy, sandy and silty soil with a ph of 5.5 - 7.0 - it grows best in weakly acidic soil to neutral soil.

Growing Purple Petra from seed

Ensure a distance of 0.5 inches (1.27 cm) between seeds when sowing - look to sow at a depth of approximately 0.12 inches (0.3 cm). Soil temperature should be kept higher than 10°C / 50°F to ensure good germination.

By our calculations, you should look at sowing Purple Petra about 20 days before your last frost date.

Transplanting Purple Petra

Ensure that temperatures are mild and all chance of frost has passed before planting out, as Purple Petra is a tender plant.

Harvesting Purple Petra

Basil 'Purple Petra' information

How long does Purple Petra take to grow?

These estimates for how long Basil 'Purple Petra' 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!

When should I sow Purple Petra?

Folia's when to plant Basil 'Purple Petra' estimates are relative to your last frost date. Enter your frost dates and we'll calculate your sowing and planting dates for you!

Other Names for Basil 'Purple Petra'


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