Grow Guide: Growing Dill in Your Urban Garden

Dill is one of those herbs that looks delicate, smells incredible, and then suddenly decides it’s done with life and bolts to seed the moment you get attached. The good news? If you understand what dill wants (and what annoys it), it’s an easy (usually), generous grow – even in small urban spaces.

🕰️Best Time to Plant

Dill prefers the cooler end of the growing season.

• Best: Early spring and autumn
• Okay: Late winter in mild climates
• Avoid: Mid-summer heat unless you’re happy with quick flowering

In Melbourne, I aim for September or March, and often stagger sowings every few weeks so I’m not left dill-less when one batch bolts.

📍Where to Plant

Dill is all about its taproot — long, skinny, and dramatic.

• Sun: Full sun to part shade
• Soil: Free-draining, not overly rich
• Containers: Yes, but go deep (at least 25–30cm)
• Beds: Ideal, especially raised beds

Once dill is in, it hates being transplanted, so sow it where you want it to live.

🧑‍🌾How to Grow

• Direct sow seeds about 5–10mm deep
• Space plants 20–30cm apart
• Germination takes 7–14 days
• Thin early – crowded dill bolts faster

If you let one plant flower, congratulations – you now grow dill forever. It self-seeds enthusiastically (sometimes a bit too enthusiastically).

💧Watering & Feeding

• Water regularly, especially while young
• Don’t let it fully dry out — stress = bolting
• Skip heavy fertiliser
• A light compost boost at planting is plenty

Too much nitrogen = tall, floppy plants that race to seed.

🍽️Harvesting

This is where people go wrong.

• Start harvesting once plants are 20cm tall
• Snip outer leaves regularly to delay flowering
• Harvest in the morning for best flavour
• Once it flowers, leaf production drops fast

Flowers and seeds are edible though – hello pickles, breads, and infused vinegars.

😱Common Problems (and Fixes)

Bolting too quickly
→ Caused by heat, stress, or overcrowding
→ Solution: stagger planting, water well, partial shade in warm weather

Floppy stems
→ Too much fertiliser or shade
→ Solution: less feeding, more sun

Aphids
→ Atypical, but possible (happened on my first go!)
→ Solution: hose them off or let the ladybirds handle it

👋Best Companion Plants:

Dill plays well with some plants and absolutely sabotages others.

Good companions:

• Lettuce
• Cabbage, broccoli, kale
• Cucumbers

Avoid planting near:

• Carrots
• Fennel (never fennel)

Dill attracts beneficial insects, so I often let one plant flower intentionally as a tiny pollinator beacon.

💡My Urban Patch Take

Dill is not a “plant once and forget” herb – it’s a plant often, harvest constantly kind of deal. I treat it more like lettuce than rosemary: short-lived, generous, and best grown in succession.

And if it bolts? I let it. The bees love it, the seeds self-sow, and future-me always thanks past-me when dill pops up where I least expect it. Dill-lightful!

(Need a little refresher before getting started on your dill journey? Check out my Urban Garden Beginner’s Guide: 4 Essentials to Get Growing Fast)