Purpurascens

Sage

Zone 10a Save Garden

🌱 75d to harvest Upright

Velvety, richly hued foliage leads the way—Purpurascens sage wears deep plum-purple leaves that catch the light with a soft, arom…

Crop Dates

Milestone	Date
Start Indoors	Dec 5th
Last Frost	Jan 16th
Transplant / Sow Outdoors	Feb 27th
Harvest Begins	May 13th
Harvest Ends	Dec 19th

Crop Details

Trait	Value
Days to Maturity	75
Sun Requirements	Full Sun
Growth Habit	Upright
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	70
Min Soil Temp (°F)	60
Min Night Temp (°F)	50
Harden Off (days)	7

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Frequently Asked Questions

What pest or disease problem commonly affects Salvia officinalis 'Purpurascens', and how can I control it?

Sage (Salvia officinalis) often suffers from root/crown rot when soil stays wet, especially in humid conditions. Plant in fast-draining soil, avoid overhead watering, and water only when the top 1 inch is dry; if you see wilting plus black/brown crowns, remove affected plants to limit spread. Watch also for aphids on new growth—spray a strong jet of water or use insecticidal soap, targeting the tender shoots.

How often should I water Salvia officinalis 'Purpurascens' during the main growing phase?

During active growth (roughly spring through summer), water deeply only after the top 1–2 inches of soil dry out, aiming for a short wet cycle followed by drying. Typically this means about once per week in warm weather, but less often if your soil is heavy or you get regular rain. If leaves look limp or soil is staying damp, reduce watering to prevent crown rot in this Lamiaceae.

How do I tell when Purpurascens sage is ready to harvest?

Harvest when plants are about 60–75 days old and the stems have developed multiple sturdy side shoots, usually with leaves that are fully colored and not just tiny new growth. Take a few sprigs at a time once plants are well established: pinch or cut above a node to encourage branching rather than stripping the plant. For best flavor, harvest in the morning and stop major cuts when growth slows toward the end of the season.

Velvety, richly hued foliage leads the way—Purpurascens sage wears deep plum-purple leaves that catch the light with a soft, aromatic sheen. The flavor is distinctly savory and herbal, with a gentle, slightly peppery lift that shines in long-simmered sauces and roasted preparations, and also makes a striking fresh garnish. Grow it for its ornamental presence as much as its kitchen-ready versatility, with leaves that hold their character beautifully through drying.

Sowing Tips

Transplant Conditions

Wait until soil reaches 60°F and nights stay above 50°F before moving outdoors. Harden off for 7 days first.

Expert Note

Start indoors early and transplant only after nights are consistently warm so the tender new root system can establish quickly.