SproutSmart
SproutSmart Intelligent Garden Sowing

Broadleaf

Sage
Botanical illustration of Broadleaf
🌱 70d to harvest Upright

Fragrant and velvety, Broadleaf Sage fills the garden with a deep, herbaceous aroma and delivers broad, softly quilted leaves tha…

Planting Schedule

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

Crop Dates

MilestoneDate
Start IndoorsMar 14th
Last FrostApr 25th
Transplant / Sow OutdoorsJun 20th
Harvest BeginsAug 29th
Harvest EndsOct 16th

Crop Details

TraitValue
Days to Maturity70
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


Why are my broadleaf leaves developing white, powdery patches and curling—what’s the fix?
Powdery mildew is common on broadleaf when days are warm and nights are cool, especially with poor airflow. Remove the most affected leaves, avoid overhead watering, and water at the soil line; then apply a label-approved fungicide or insecticidal soap only if the label allows it for powdery mildew and follow the recommended reapplication interval. Space plants to improve airflow and keep foliage dry as much as possible.
How often should I water broadleaf during the main growth phase (to day ~70)?
Water so the top 1–2 inches of soil dry slightly between waterings, then soak deeply to encourage roots—typically every 2–4 days depending on heat and soil texture. Use a moisture check: if the soil is cool and damp at 1–2 inches, wait; if it feels dry and crumbly, water. Keep moisture steady—alternating drought and heavy soaking can stunt growth and worsen leaf issues.
How can I tell when broadleaf is ready to harvest at around 70 days?
Harvest when plants reach full size and the lower leaves are fully expanded but not prematurely yellowing, with leaf color looking consistent and healthy. If you’re growing broadleaf for tender leaves, pick the outer leaves first when they’re thick and flexible; for larger mature leaves, wait until the leaves hold their shape and have the expected size for your variety. Avoid harvesting after leaves begin to look tough or overly pale, as quality drops quickly.
Botanical illustration of Broadleaf

Fragrant and velvety, Broadleaf Sage fills the garden with a deep, herbaceous aroma and delivers broad, softly quilted leaves that feel substantial in the hand. Its flavor is rich and savory with a gentle, cool edge—ideal for crafting bold herb blends and signature sauces, or for drying to capture its character for later use. Grow Broadleaf for a dependable, long-season harvest that turns beds and borders into a fragrant living tapestry.

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 sage in light, well-drained mix and transplant once nighttime temperatures are reliably warm to prevent slow, cold-stalled growth.