Red Rubin Basil

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Improved Version of Dark Opal Basil

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All America Selections Winner 1992

Genus: Ocimum

Species: basilicum

Variety: Red Rubin

Open Pollinated

Full Sun

Soil pH 5.5 to 6.5

Days to Germination: 7 to 10

Days to Maturity: 65 to 70

Foliage Color: Purple / Deep Burgundy

Flower Color: Lavender

Plant Height: 10 to 14 in.

Plant Width: 8 to 10 inches

Best used fresh, some people feel the taste is too strong for pesto. When cooked, the purple color vanishes and it turns green.

Red Rubin Basil

An improved variety of Dark Opal Basil, Red Rubin is a welcome addition to edible as well as ornamental gardens. The flowers and the leaves are edible and have a more intense flavor than standard green varieties.

If grown in partial shade the leaves will be more green and the plant will not fare as well, full sun is best.

Basic Care of Basil

Water - Basil requires ample and persistent water. Mulch to retain moisture in warm weather is advisable.

Delicate flowers on Basil are attractive however they are a sign your plant is going to seed and production will decline at this point. If you are not looking to harvest seeds, you should pinch off any flower stems as they appear.

Temperature - Basil thrives in warm temperatures and heat. It will turn black and die off in temperatures approaching the mid 30s F. Temperatures should be at the very least in the 70s around the clock.

Optimal Growth Temperature 65 to 85 F

Germination Temperature 70 to 75 F

Pests and Disease


Basil has some enemies, Beetles, particularly Japanese Beetles, love Basil as much as people do and have been known to completely skeletonize whole plants. Aphids are also a problem at times. Most varieties are also subject to various plant diseases such as black spot, gray mold and fusarium wilt.