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Dill, Heirloom (Mammoth)

$2.59


Item # 051178001344

Sold Out

Our inventory numbers are constantly fluctuating. Please call the Garden Center for more info at (970) 484-5022.


Lake Valley Heirloom Mammoth Dill Seeds

Delightful lacy leaves topped with large flower clusters. This is the tallest and most productive dill variety, prized for both fresh use and pickling. Leaves often are used as a dried herb. 

Sowing Information:

  • Light: Full sun
  • When to Start Inside: 8 to 10 weeks before your average last frost date. Sow in biodegradable pots that can be planted directly in the ground.
  • When to Sow Outside: RECOMMENDED. 1 to 2 weeks before your average last frost date, and when soil temperature is at least 60°F. Successive Sowings: Every 2 to 3 weeks to ensure a continual fresh supply of foliage and seeds.
  • Seed Depth: Plant seeds ¼ inch deep
  • Seed Spacing: A group of 3 seeds every 4 inches
  • Row Spacing: 12 inches
  • Thinning: When 3 inches tall, thin to 1 every 4 inches
  • Days to Germinate: 7-14 days
  • Days to Maturity: 85 days

Growing Notes:

  • Harvesting: Cut the leaves anytime as needed. For pickling, cut seed heads before yellow flowers appear. Allow flowers to produce seeds for dried use.
  • Attributes: Attracts Pollinators, Deer Resistant

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"What excellent customer service I experienced at Bath! I felt like I had been transported back in time! The staff was so knowledgeable, helpful, kind and patient with my sprinkler issues. We finally got our sprinkler to work!!!! Thank you all, especially Evan, Linda and Shane!!! 💓🌼🌈"

- Phyllis Roestenberg, June 2026

"This place is wonderful! It has decorations, garden supplies, and plants like you cant imagine. The staff is incredibly knowledgeable and friendly and it is also dog friendly 🐶 . I will warn you this place can get dangerous the longer you stay in it from the aspect of your wallet it has so much good stuff."

- Nick, April 2023

"Awesome nursery!! Loved it!!"

- Sarah Jeff, July 2026

"As a new empty-nester I've gone down the houseplant rabbit hole and have seen most of the small nurseries in Denver metro. I will drive to go to this AMAZING Garden Center for the variety and quality of their fabulous stock. Better than Paulinos was and that is SAYING something. Staff is beyond helpful and amazing, free repotting if you buy pots too. Really unique home and gift retail. You won't be sorry! Everytime I go up to see my kid at school, I make a stop to see what new inventory they've gotten in... 13/10 highly recommend."

- Kim Lake, March 2026