SproutSmart
SproutSmart Intelligent Garden Sowing

Purpurascens

Sage
Botanical illustration of Purpurascens
🌱 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…

Planting Schedule

Add Purpurascens to your garden to build a schedule and get reminders.

Crop Dates

MilestoneDate
Start IndoorsFeb 9th
Last FrostMar 23rd
Transplant / Sow OutdoorsMay 4th
Harvest BeginsJul 18th
Harvest EndsNov 12th

Crop Details

TraitValue
Days to Maturity75
Sun RequirementsFull SunFull sun
Growth HabitUpright
Support NeededNone
Planting DepthNormal
Germination Temp (°F)70
Min Soil Temp (°F)60
Min Night Temp (°F)50
Harden Off (days)7

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.
Botanical illustration of Purpurascens

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.