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Receive 10% OFF when ordered by April 7th!

4-Step DIY Fertilizer Program

Our 4-Step DIY Fertilizer Program starts with the highest-quality, commercial-grade fertilizer available on the market. Fertilizers sold in stores can’t even begin to compare to our product! The fertilizer is delivered directly to you and when applied to your lawn in intervals it will keep your lawn well fed and healthy throughout the entire season. We will even send you email reminders on when to apply! Complete the order form below to get started.

  • Step 1:  Applied in Mid April - Crabgrass Pre-emergent
  • Step 2:  Applied in Late May - Weed & Feed
  • Step 3:  Applied in Mid July - Summer Fertilizer
  • Step 4:  Applied in Early September/Fall - Winterizer

Only $34.99/bag (50 lbs). • One bag covers 10,000 sq. ft.


When all four steps are purchased.

We also provide group-buy and neighborhood discounts.

Call us at 763-913-1670 to learn more.


Cullinan Irrigation 4-Step Fertilizer Program

Please give us a little information to get your 4-Step DIY Fertilizer program rolling. Need help figuring out your square footage? Click here for an acres to square footage calculator.

Your Contact Information

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How Much Do You Need?

Enter the number of bags of each required. One bag covers 10,000 sq. ft. • Only $34.99/bag (50 lbs).

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We Love Referrals

Give us a referral and we’ll give you a $10 Home Depot® gift card.

Learn more

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Cullinan Irrigation

P.O. Box 611
Rogers, MN 55374

Phone: 763-913-1670