Gadenin日本語Get the appThe strongest leaves come just before flowering
Essential oil content in sage peaks in the weeks before the flower spikes open, usually late spring into early summer, and it is highest in the morning once the dew has gone but before the sun is fully on the plant. Leaves picked then are noticeably more aromatic than the same leaves picked in the heat of the afternoon.
Once the plant is in full flower the leaves turn thinner and coarser and the scent flattens. They are still perfectly usable, but if you are drying a batch to last the year, do it before the flowers open. After flowering, shear the spent spikes off and the fresh flush that follows gives you good leaves again within a few weeks.
| Stage | Leaf quality | Best use |
|---|---|---|
| Spring, new growth | Soft, mild, thin | Fresh, chopped into cooking |
| Just before flowering | Thick, strongly aromatic | The batch to dry for the year |
| In flower | Coarser, less scented | Fresh use only; the flowers are edible too |
| Late summer flush | Good, softer than early crop | Fresh use and a second small drying batch |
| Late autumn onwards | Tough, often marked | Leave it on the plant |
Cut sprigs, not single leaves
Stripping individual leaves off a stem leaves a bare stalk that makes nothing and eventually dies back. Cut the top three or four inches (8 to 10 cm) of a shoot instead, taking it a quarter inch above a pair of leaves. The two buds at that joint break and you get two shoots where you had one, so harvesting is also how the plant is kept bushy.
- Cut just above a pair of leaves Use scissors or snips and cut cleanly a quarter inch (5 mm) above a leaf pair on green wood. A ragged tear or a long stub above the joint dies back and lets rot in.
- Work around the whole plant Take a sprig here and there all over rather than clearing one side. A plant harvested from one side only grows lopsided and eventually falls open at the base.
- Never cut into bare wood Stay in the growth that still carries leaves. A cut made below the lowest leaf on an old woody stem usually kills that stem outright, because sage seldom breaks from bare wood.
- Take the oldest, lowest leaves for immediate use The large leaves low down are past their best and shade the crown. Picking those off improves airflow and gives you leaves for tonight's cooking without touching the growing tips.
How much you can take, and when to stop
From an established plant in its second year or later, you can take up to a third of the growth at any one cutting and repeat that two or three times through the season. A first-year plant should give up no more than a fifth of its growth in the whole season, because everything it keeps goes into the woody frame and root that get it through winter.
The important restriction is the autumn cutoff. Stop harvesting entirely about eight weeks before your first expected frost. Cutting later than that pushes out soft shoots with no time to harden, and those shoots blacken at the first hard frost and take the stem behind them with them. In mild winters where the plant keeps its leaves you can pick the odd sprig for the kitchen through the cold months, but do not cut for a harvest.
| Plant age | Maximum per cut | Cuts per season |
|---|---|---|
| First year from seed or cutting | A few sprigs only | Occasional, up to a fifth in total |
| Second year | A quarter of the growth | Two |
| Third year and beyond | A third of the growth | Two or three, ending eight weeks before frost |
| Old, opening plant due for replacement | A third | Take cuttings at the same time |
A hard cut in the heat of high summer sets the plant back more than the same cut in late spring. If you want one big drying harvest, take it in the week the first flower buds show color.
Drying: fast, dark and flat
Sage leaves are thick and hold water, so they dry slowly and are the herb most likely to go moldy in the middle of a bundle. Hanging a fat bunch in a kitchen almost always ends with gray leaves in the center. Strip the leaves off and dry them in a single layer instead, somewhere warm, dark and airy, and they will be brittle in four to seven days.
Do not wash them unless they are visibly dirty. Water on the leaf slows drying and washes oil off the surface. If you must, rinse and pat dry thoroughly before laying them out.
- Strip the leaves and lay them in a single layer Use a mesh rack, a cake rack or a tray lined with paper, in a warm room out of direct sun. Turn the leaves once a day so both faces get air.
- Keep it below 100F (38C) If you use a dehydrator or a very low oven, stay under 100F. Above that the aromatic oils drive off and you are left with something that looks like sage and tastes of hay.
- Test by snapping, not by looking A leaf is dry when the midrib snaps rather than bends. Leaves that still bend hold enough moisture to mold a whole jar within a month.
- Store whole in an airtight jar in the dark Crumble only as you use it, because broken leaves lose scent fast. Kept whole and dark, dried sage holds its flavor for a year, and it is strong enough that you use about a third as much as fresh.
Freezing works better than drying for anything where you want the fresh flavor. Chop leaves into an ice cube tray with a little oil or water and freeze; use straight from frozen.
Keep a note of what you cut and when
Write down the date of each cut, roughly how much you took, and the date of your last cut of the season. Sage problems arrive a season late, so the only way to connect a plant that came through winter badly with a cut made in early autumn is to have it written down.
It is also worth noting the date the first flower buds showed color on each plant. That date is your marker for the main drying harvest, and it moves by a fortnight or more between a cold spring and a warm one, so a calendar date is useless and a recorded observation is not.