Borage

The pollinator magnet of the herb garden: a big, easygoing self-seeding annual covered in edible blue star flowers that bees can't resist - and that lift fruit set on everything nearby.

Direct-sow where it will grow - the taproot resents transplanting - thin generously, and give it room and sun.

Always direct-sow borage: it forms a deep taproot and dislikes being moved, so sow seed about 1/2 inch deep right where you want it, around your last frost. It germinates easily — even in darkness — in a week or two, and seedlings handle a light frost. Choose a sunny to partly shaded spot with average, well-drained soil; borage isn't fussy and even grows in poor ground, though richer soil makes a bigger plant.

The main thing is to give it space. A mature plant sprawls 2-3 feet tall and wide, so thin seedlings to 12-18 inches apart for airflow (crowding invites powdery mildew) and eat the thinnings. Once the taproot is established it is fairly drought-tolerant and needs little care. Put it near squash, tomatoes, or strawberries and let its flowers pull in pollinators for the whole bed.

Nearly hands-off: water young plants, keep it in its corner, pick flowers often, and stake or let it sprawl.

Borage is one of the lowest-maintenance plants in the garden. Water it while young to establish the taproot, then ease off — it tolerates dry spells well. It rarely needs feeding, and heavy fertilizing just makes floppy growth. The one management decision is containment: borage self-seeds abundantly, so if you want to limit volunteers, shear off spent flowers before they set seed; if you don't mind a self-renewing patch, let it run.

A big plant loaded with flowers can flop, so give it a corner where sprawl is fine, or push in a few twiggy supports. Pick the flowers often — it keeps the plant blooming and tidy. When a plant finishes and collapses in late summer, pull it for the compost; its lush, deep-rooted growth is excellent green material and mulch. Watch for Japanese beetles and aphids, both of which favor it.

Pick the star flowers as they open and young leaves before they toughen - the more you pick, the more it blooms.

Flowers are the main harvest: pluck the bright blue stars just as they open, pinching them from the fuzzy calyx (some people remove the small black center stamens, though they're edible). They keep coming for months, and frequent picking encourages more — a single plant yields hundreds over a season. Use them the same day for the best look, or freeze them.

Young leaves are best picked small, when they're tender and most cucumber-flavored and before the plant's characteristic bristly hairs set in; older leaves are prickly and are better cooked. Harvest both in the morning. Remember the moderation note: borage's flowers and leaves are a lovely occasional food and garnish, not something to eat in large daily quantities.

Best used fresh; freeze flowers into ice cubes for a showstopper, or candy them - leaves don't store well.

Borage is a fresh-picked herb and doesn't keep long, but the flowers have one brilliant storage trick: freeze them into ice cubes. Set a flower in each compartment of an ice tray, fill with water, and freeze — the blue stars suspended in ice are stunning in summer drinks and lemonade, and you can put up dozens at peak bloom. Flowers can also be candied with egg white and fine sugar for cake decorating, keeping for weeks in a tin.

Fresh flowers hold a day or two in the fridge in a covered container; fresh leaves wilt fast and are best used the day you pick them. Borage doesn't dry well — the flowers lose their color and the leaves lose their flavor — so freezing and candying are the ways to carry the harvest forward.

The definition of a self-sower: let a few seedheads drop and borage plants itself forever - collect a pinch of seed for control.

Borage is one of the easiest plants to keep going, because it does the work itself. Left to flower and seed, a plant scatters its large seeds around it, and next spring a fresh crop of volunteers comes up on its own — many gardeners sow borage exactly once and have it forever after. It is open-pollinated and comes true from seed.

For a managed patch rather than a wild one, collect seed deliberately: the seeds ripen and fall quickly, so watch the nodding seedheads and either bag a few heads or shake ripe seed into your hand before it drops. The seeds are large and easy to handle, and stay viable several years stored cool and dry. Between deliberate collection and generous self-sowing, you will never need to buy borage seed again — the harder job is keeping it where you want it.

Low-calorie leaves with vitamin C, minerals, and the same cucumber-cool taste; the seed is a notable source of GLA omega-6 oil.

Borage leaves are eaten in modest amounts, but they carry real nutrition: they supply vitamin C, vitamin A, and minerals including calcium, potassium, and iron, along with the mucilage that gives cooked borage its slightly slippery, cucumber-cool quality. Because you eat it fresh and in small amounts — both for flavor and because of the moderation note below — treat it as a garnish and a light cooked green rather than a dietary staple.

The plant's most noted nutritional feature is in the seed: borage seed oil (starflower oil) is one of the richest plant sources of gamma-linolenic acid (GLA), an omega-6 fatty acid taken as a supplement for skin and inflammatory conditions. That's a pressed-oil product rather than something you get from eating the leaves, but it's why borage has a place in the supplement aisle as well as the garden.

Cool cucumber flavor in a blue star: flowers to garnish and freeze, young leaves for salads and soups, always in moderation.

Borage tastes like fresh cucumber, and the star-shaped flowers are its best-loved edible: scatter them over salads and desserts, float them in Pimm's cups, lemonade, and gin drinks, freeze them into ice cubes, or candy them for cakes. Their mild sweet-cucumber flavor and vivid blue make them one of the prettiest edible flowers you can grow.

The young leaves bring the same cucumber note to green salads, chilled soups, yogurt dips, and cream cheese; in parts of Europe (notably the German 'Frankfurt green sauce' and Italian fillings like pansotti) borage leaves are a traditional cooked green and pasta stuffing. Pick leaves small, before the bristly hairs set in — older leaves need cooking to soften them. Enjoy borage as a fresh garnish and occasional green rather than a bulk vegetable, keeping the moderation note in mind.

A real folk tradition as a mood-lifter and the seed as a GLA source - paired with an honest caution: the leaves and flowers contain liver-affecting pyrrolizidine alkaloids, so keep them occasional.

Borage has a long herbal tradition — its old reputation was for courage and cheer ('I, borage, bring always courage'), used as a mood-lifter and a cooling, soothing herb for fevers and coughs. Its clearest modern role is the seed oil: borage (starflower) seed oil is a leading plant source of the omega-6 fatty acid GLA and is taken as a supplement for eczema, dry skin, and inflammatory complaints, with modest supporting evidence.

Here is the honest caution the plant requires: borage leaves and flowers contain small amounts of pyrrolizidine alkaloids, compounds that can be toxic to the liver (and are possibly carcinogenic) in large or sustained doses. This is a genuine, well-documented concern, so treat borage leaf and flower as an occasional food and garnish rather than a daily tea or heavy green — and avoid it if pregnant, nursing, or with liver disease. Reputable borage seed oil is processed to be alkaloid-free, which is why the oil is the form used medicinally. Enjoyed in moderation, the plant is a delight; the caution simply keeps it that way.

A Mediterranean herb of courage and comfort, steeped in wine by Romans and Elizabethans and long grown to gladden the heart - and feed the bees.

Borage is native to the Mediterranean and has been cultivated since antiquity for food, medicine, and morale. Roman writers steeped it in wine before battle for courage, and the herb kept that reputation for centuries: the medieval and Elizabethan saying ran 'I, borage, bring always courage,' and a borage-flavored 'cool tankard' was drunk to lift the spirits. It was a staple of medieval physic gardens and cottage borders across Europe.

The name may derive from the Latin borra (rough hair, for its bristly leaves) or from Arabic abu araq, 'father of sweat,' reflecting its old use as a diaphoretic. Carried to the Americas by colonists, it naturalized easily. Today its starring role has shifted to the garden ecosystem — prized as a top pollinator plant and companion — while the blue flowers and cucumber leaves keep their place as a charming edible with deep historical roots.

An easy annual across most zones; cool weather and steady bloom in the north, a cool-season crop in the hot south where summer is its hard time.

Zones 3-6: grow borage as a spring-to-frost annual — sow around last frost and it blooms all summer, self-sowing for next year; the short cool summers suit it well. Zones 7-8: equally easy, with spring and even fall sowings; light frosts don't faze established plants, and it often overwinters as self-sown seedlings. Zones 9-10: flip toward the cool season — sow in fall for winter and spring bloom, because intense summer heat and humidity stress the plant and bring on powdery mildew. Zones 11+: a cool-season annual only, grown in the mildest months with afternoon shade. Almost everywhere, borage's habit of self-seeding means it settles into whatever window suits your climate and simply returns each year on its own schedule.

White coating is powdery mildew from crowding; sticky stems mean aphids (often a good thing); skeletonized leaves are Japanese beetles; flopping is normal.

White powdery coating on leaves (powdery mildew): common in crowding, humidity, and late-season heat — thin and space plants for airflow, avoid overhead watering, and pull badly affected plants (there are usually plenty of self-sown replacements). Aphids massing on stems and buds: borage is an aphid magnet, which is often a feature, not a bug — it can act as a trap crop that pulls aphids off your other plants and draws in the ladybugs and hoverflies that eat them; hose them off if they overwhelm a plant. Leaves skeletonized in early summer: Japanese beetles — hand-pick into soapy water in the morning. Plant flopping over: normal for a big, top-heavy borage — give it room to sprawl or a few twiggy supports. Borage popping up everywhere: self-seeding — deadhead before seed sets to contain it, or embrace the volunteers.