90days to harvest
7-21days to germinate
Z2–11USDA zones
Easydifficulty
HeirloomContainer friendly

Sowing

Direct sow seeds every 2-3 weeks for continuous harvest. Plant 1/4 inch deep after soil can be worked.

Cultivation

Sun
Full sun (6+ hours)
Water
Moderate, consistent moisture for best leaf production
Soil
Rich, well-drained soil with good organic matter
Soil pH
5.5-6.5
Spacing
6-12 inches
Height
3-8 feet
Season
Warm season annual

Appearance & flavour

Colour
Blue-green feathery foliage with yellow umbrella flowers
Size
2"
Shape
Tall upright growth with delicate branching foliage
Flavour
Fresh, tangy, slightly sweet with caraway notes

In the kitchen

Pickles, fish dishes, potato salad, herb butter, dill pickles, seed for breads

Pests, disease & resistance

Pests
Aphids, carrot rust fly, parsley worm
Diseases
Damping off, bacterial leaf spot, powdery mildew
Resistance
Generally disease resistant, avoid overhead watering

Planting calendar by USDA zone

ZoneStart indoorsTransplantDirect sowHarvest
2April – MayJune – August—August – September
3April – MayJune – July—July – October
4March – AprilJune – July—July – October
5March – AprilMay – June—June – October
6March – AprilMay – June—June – November
7February – MarchApril – June—June – November
8February – MarchApril – May—May – December
9January – FebruaryMarch – April—April – December
10JanuaryFebruary – April—April – December
11JanuaryJanuary – March—March – December

Companion planting

8 beneficial pairings indexed for this variety, 3 to avoid.

CabbageDill repels cabbage worms and other brassica pests
TomatoesDill attracts beneficial insects that control tomato hornworms and aphids
CucumbersDill repels cucumber beetles and attracts pollinators
LettuceDill provides light shade and repels aphids that attack lettuce
OnionsOnions repel dill's pest insects while dill attracts beneficial predators
BroccoliDill attracts wasps that parasitize cabbage worms and aphids
Brussels SproutsDill deters cabbage loopers and imported cabbage worms
CornDill attracts beneficial insects that control corn earworm and aphids

Avoid

CarrotsCan stunt carrot growth and may cross-pollinate with wild carrots
FennelBoth are umbellifers that compete for resources and may cross-pollinate
CilantroMay bolt prematurely when grown near mature dill plants

Nutrition (per 100 g)

Calories (per 100 g)
43
Protein (g)
3.46
Fat (g)
1.12
Carbohydrate (g)
7.02
Fibre (g)
2.1
Vitamin A (µg)
386
Vitamin C (mg)
85
Vitamin B6 (mg)
0.185
Folate (µg)
150
Calcium (mg)
208
Iron (mg)
6.59
Magnesium (mg)
55
Phosphorus (mg)
66
Potassium (mg)
738
Zinc (mg)
0.91

Where to buy seed and equipment

Some links are affiliate links. If you buy through them we may earn a commission at no extra cost to you.

Growing it? There is a full cultivation guide at the herbs growing guide.

Cultivar facts compiled from public horticultural references including USDA GRIN and NC State Extension. Descriptions are original to this catalogue.

DarkGrow forum

Grown Mammoth Dill?

Post a crop report — day counts, reservoir readings, what worked. Variety-specific logs are the most useful thing on the forum.

Similar varieties

Other herbs with a comparable time to harvest, so a season that suits Mammoth Dill suits these too.

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