Skip to main content
FallHalloweenPetLawn & GardenTruck & AutomotiveClothingPoultryHeating & CoolingHorseSporting GoodsOutdoor Power EquipmentFencing & GatesLivestockOutdoor LivingPet & Animal PharmacyToolsHome ImprovementFarm & RanchBoots & ShoesTrailers & TowingHome Decor & FurnitureWild Birds & WildlifeToysGift CardsServices Propane RefillTrailer RentalGarden CenterFeed CenterSame Day DeliveryPetVet ClinicPet WashGrooming at PetsenseDog Training at PetsenseTractor Supply RxPet InsuranceWag!

"Savings and Offers"

Weekly AdSaleClearance

"More Options"

Weekly AdWhat's NewTractor Supply AppEarn Rewards with Neighbor's ClubHometown HeroesLife Out Here BlogTSC Exclusive BrandsTop BrandsClearance ItemsBattery FinderOutdoor Power Equipment Parts FinderHitch Finder

Explore savings for all your outdoor needs

|
Shop Now
Order statusTSC Credit CardsWhat’s newPetsenseWeekly Ad
​

Sign In / Enroll

Get rewarded!

​
Menu

Search

Home

Sign In

Cart
5.0
(5)
5.0 out of 5 stars. 5 reviews
A woman outside with a dog
A woman outside with a dog
  1. Home
  2. /
  3. Lawn & Garden
  4. /
  5. Plant Care & Fertilizer
  6. /
  7. Plant Food
  8. /

  9. Espoma 4 lb. 66 sq. ft. Organic Bulb Tone

  1. Home
  2. /
  4. /
  5. Plant Food

Espoma 4 lb. 66 sq. ft. Organic Bulb Tone

Shop all Espoma
Espoma 4 lb. 66 sq. ft. Organic Bulb Tone

Item # 134764099

Espoma Espoma 4 lb. 66 sq. ft. Organic Bulb Tone
Espoma Espoma 4 lb. 66 sq. ft. Organic Bulb Tone
Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

Shop all Espoma
Espoma 4 lb. 66 sq. ft. Organic Bulb Tone

Item # 134764099

Espoma Espoma 4 lb. 66 sq. ft. Organic Bulb Tone
Espoma Espoma 4 lb. 66 sq. ft. Organic Bulb Tone
Subscription options

Pickup or delivery when it works for you, plus free delivery on orders over $49.99.

Skip, modify, or cancel anytime.

​
Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

The Espoma 4 lb. 66 sq. ft. Bulb-Tone Organic Bulb and Flower Food is the ultimate organic plant food for all spring and fall bulbs. It's a rich blend of the finest natural and organic ingredients and enhanced with humates and beneficial microbes. No sludges or fillers are ever used, and because it's made in our state-of-the-art solar powered manufacturing facility, consistency and quality are guaranteed. The 66 sq. ft. of coverage provides enough bulb tone to cover and feed your entire yard, and this fertilizer is best used for bigger and more colorful blooms.

Looking for more information on fertilizer? Check out our guide on how to read fertilizer numbers in the product documents section.

  • Bulb-Tone is perfect for all bulbs like tulips, daffodils, crocus and hyacinths
  • Long-lasting, slow-release feeding with our exclusive bio-tone microbes
  • 100% natural and organic ingredients in the organic plant food with no fillers or sludges ensures optimal health benefits
  • Made in USA
  • Bulb-Tone produces bigger and more colorful blooms to help improve your yard
  • 66 sq. ft. of coverage allows you to fertilize multiple bulbs
BrandEspoma
Country of OriginMade in USA
Application MethodGranular
Compatible SeasonsAll-season
Concentrated or Ready to UseReady to Use
Contact Or SystemicN/A
Coverage Area66 sq. ft.
EmergenceN/A
FeaturesOrganic, Slow Time Release, Vegetable Safe
FormGranules
Longevity5 years
NPK Ratio3-5-3
OrganicYes
Package Quantity4 lb.
Package Size4 lb.
Product Height5 in.
Product Length8 in.
Product Weight4 lb.
Product Width5 in.
WarningsN/A
Manufacturer Part NumberBT4

Have a question?
Start typing your question and we'll check if it was already asked and answered.
1 - 2 of 2 Questions
Sort by
Newest questions

Q: What's the NPK ratio?

2 years ago
1 Answer
  • A: Please see the following link for a full product analysis: https://www.espoma.com/wp-content/uploads/2020/08/2020_Bulb-tone_Web_Analysis_Chart.gif
    2 years ago
    Helpful?

Q: how much nitrogen is in this product

3 years ago
1 Answer
  • A: Total nitrogen is 3% Please see the following link for the full analysis. https://www.espoma.com/wp-content/uploads/2020/08/2020_Bulb-tone_Web_Analysis_Chart.gif
    3 years ago
    Helpful?

Q&As

Have a question?
Start typing your question and we'll check if it was already asked and answered.
1 - 2 of 2 Questions
Sort by
Newest questions

Q: What's the NPK ratio?

2 years ago
1 Answer
  • A: Please see the following link for a full product analysis: https://www.espoma.com/wp-content/uploads/2020/08/2020_Bulb-tone_Web_Analysis_Chart.gif
    2 years ago
    Helpful?

Q: how much nitrogen is in this product

3 years ago
1 Answer
  • A: Total nitrogen is 3% Please see the following link for the full analysis. https://www.espoma.com/wp-content/uploads/2020/08/2020_Bulb-tone_Web_Analysis_Chart.gif
    3 years ago
    Helpful?

Similar Items

  1. Top Rated
    Espoma 4 lb. 66 sq. ft. Organic Berry Tone
    4.9 out of 5 stars with 28 reviews
    4.9 (28)

    Espoma 4 lb. 66 sq. ft. Organic Berry Tone

    $11.99
  2. Top Rated
    Espoma 4 lb. 66 sq. ft. Organic Compost Starter
    4.9 out of 5 stars with 11 reviews
    4.9 (11)

    Espoma 4 lb. 66 sq. ft. Organic Compost Starter

    $12.99
  3. Espoma 4 lb. 66 sq. ft. Organic Earthworm Castings
    4.5 out of 5 stars with 8 reviews
    4.5 (8)

    Espoma 4 lb. 66 sq. ft. Organic Earthworm Castings

    $14.99
  4. Espoma 3.75 lb. 66 sq. ft. Organic Chicken Manure All-Natural Plant Food
    4.5 out of 5 stars with 11 reviews
    4.5 (11)

    Espoma 3.75 lb. 66 sq. ft. Organic Chicken Manure All-Natural Plant Food

    $7.99
  5. Top Rated
    Espoma 8 lb. 100 sq. ft. Organic Tomato-Tone
    5.0 out of 5 stars with 11 reviews
    5.0 (11)

    Espoma 8 lb. 100 sq. ft. Organic Tomato-Tone

    $16.99
  6. Espoma 8 lb. 100 sq. ft. Garden-Tone Fertilizer
    4.1 out of 5 stars with 11 reviews
    4.1 (11)

    Espoma 8 lb. 100 sq. ft. Garden-Tone Fertilizer

    $14.99
  7. Top Rated
    Espoma 25 lb. 180-360 sq. ft. Organic Chicken Manure Plant Food
    4.8 out of 5 stars with 82 reviews
    4.8 (82)

    Espoma 25 lb. 180-360 sq. ft. Organic Chicken Manure Plant Food

    $19.99
  8. Top Rated
    Espoma 18 lb. 180-360 sq. ft. Garden-Tone Organic Plant Food
    4.9 out of 5 stars with 15 reviews
    4.9 (15)

    Espoma 18 lb. 180-360 sq. ft. Garden-Tone Organic Plant Food

    $24.99
  9. Top Rated
    Espoma 18 lb. 180-360 sq. ft. Plant-Tone Organic Plant Food
    5.0 out of 5 stars with 24 reviews
    5.0 (24)

    Espoma 18 lb. 180-360 sq. ft. Plant-Tone Organic Plant Food

    $24.99
  10. Espoma Garden-Tone Organic Plant Food, 27 lb., GT27
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Espoma Garden-Tone Organic Plant Food, 27 lb., GT27

    $27.99
  11. Miracle-Gro Organic Liquid Plant Food
    4.6 out of 5 stars with 81 reviews
    4.6 (81)

    Miracle-Gro Organic Liquid Plant Food

    $9.49
    Was $11.99Save $2.50
  12. Miracle-Gro Organic Plant Food Granules
    4.7 out of 5 stars with 47 reviews
    4.7 (47)

    Miracle-Gro Organic Plant Food Granules

    $9.99
    Was $12.99Save $3.00

Items You May Like

  1. Top Rated
    Espoma 8 lb. 100 sq. ft. Holly-Tone Plant Food
    4.8 out of 5 stars with 22 reviews
    4.8 (22)

    Espoma 8 lb. 100 sq. ft. Holly-Tone Plant Food

    $14.99
  2. Top Rated
    Dr. Earth Flower Girl Bud & Bloom Fertilizer, 4 lb., 707P
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Dr. Earth Flower Girl Bud & Bloom Fertilizer, 4 lb., 707P

    $12.99
  3. Top Rated
    Wilt-Pruf 32 oz. Concentrate
    5.0 out of 5 stars with 2 reviews
    5.0 (2)

    Wilt-Pruf 32 oz. Concentrate

    $39.99
  4. Wilt-Pruf 32 oz. Ready -to-Use
    4.0 out of 5 stars with 4 reviews
    4.0 (4)

    Wilt-Pruf 32 oz. Ready -to-Use

    $19.99
  5. Top Rated
    Pacific Pearl Oyster Shell Flour Bag, 7 lb.
    5.0 out of 5 stars with 6 reviews
    5.0 (6)

    Pacific Pearl Oyster Shell Flour Bag, 7 lb.

    $12.99
  6. Scotts 3 lb. 1,000 sq. ft. Turf Builder Starter Food for New Grass
    4.3 out of 5 stars with 127 reviews
    4.3 (127)

    Scotts 3 lb. 1,000 sq. ft. Turf Builder Starter Food for New Grass

    $18.99
  7. Drip Hydro 55 Gal (208.20L) CaMg Calcium & Magnesium Supplement Liquid Fertilizer for Fruiting & Flowering 2-0-0 1-Drum
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Drip Hydro 55 Gal (208.20L) CaMg Calcium & Magnesium Supplement Liquid Fertilizer for Fruiting & Flowering 2-0-0 1-Drum

    $1,399.99
  8. Miracle-Gro 1.5 lb. 600 sq. ft. Water Soluble Bloom Booster Flower Food
    4.6 out of 5 stars with 114 reviews
    4.6 (114)

    Miracle-Gro 1.5 lb. 600 sq. ft. Water Soluble Bloom Booster Flower Food

    $10.99
  9. Top Rated
    Espoma 4 lb. 66 sq. ft. 4-3-2 Organic Rose-Tone
    4.8 out of 5 stars with 17 reviews
    4.8 (17)

    Espoma 4 lb. 66 sq. ft. 4-3-2 Organic Rose-Tone

    $9.99
  10. Dr. Earth 12 lb. 180 sq. ft. Natural Wonder Fruit Tree Fertilizer
    4.6 out of 5 stars with 12 reviews
    4.6 (12)

    Dr. Earth 12 lb. 180 sq. ft. Natural Wonder Fruit Tree Fertilizer

    See Price at Checkout
  11. Top Rated
    Earth Science 4 lb. 400 sq. ft. Natural Blood Meal Plant Food
    4.9 out of 5 stars with 47 reviews
    4.9 (47)

    Earth Science 4 lb. 400 sq. ft. Natural Blood Meal Plant Food

    $9.99
  12. allFENZ 6 ft. Polyethylene Coated Garden Stakes, 10-Pack
    4.7 out of 5 stars with 87 reviews
    4.7 (87)

    allFENZ 6 ft. Polyethylene Coated Garden Stakes, 10-Pack

    $14.99

Customers Also Bought

  1. Top Rated
    GreenView Garden Food 5-10-5
    5.0 out of 5 stars with 2 reviews
    5.0 (2)

    GreenView Garden Food 5-10-5

    $31.99
  2. Top Rated
    GreenView 8 lb. 2,500 sq. ft. Starter Fertilizer
    4.8 out of 5 stars with 36 reviews
    4.8 (36)

    GreenView 8 lb. 2,500 sq. ft. Starter Fertilizer
  3. Miracle-Gro Organic Planting Tablets
    4.7 out of 5 stars with 48 reviews
    4.7 (48)

    Miracle-Gro Organic Planting Tablets

    $7.29
    Was $8.99Save $1.70
  4. Roots Plant Saver 4-7-7 10 lb.
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Roots Plant Saver 4-7-7 10 lb.

    $69.99
  5. Top Rated
    GreenView Multi-Purpose 14-14-14
    5.0 out of 5 stars with 2 reviews
    5.0 (2)

    GreenView Multi-Purpose 14-14-14

    $41.99
  6. Shultz 1,000 sq. ft. 20-20-20 Water Soluble All Purpose Plant Food, 1.5 lb.
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Shultz 1,000 sq. ft. 20-20-20 Water Soluble All Purpose Plant Food, 1.5 lb.

    $5.99
  7. Miracle-Gro Indoor Plant Food for All Plants, 8 fl. oz., 2 pk.
    4.2 out of 5 stars with 568 reviews
    4.2 (568)

    Miracle-Gro Indoor Plant Food for All Plants, 8 fl. oz., 2 pk.

    $13.99
  8. GroundWork 50 lb. 5,000 sq. ft. 16-16-16 Fertilizer
    4.6 out of 5 stars with 58 reviews
    4.6 (58)

    GroundWork 50 lb. 5,000 sq. ft. 16-16-16 Fertilizer

    $44.99
  9. Miracle-Gro Organic Indoor Plant Food, 8 fl. oz.
    4.6 out of 5 stars with 38 reviews
    4.6 (38)

    Miracle-Gro Organic Indoor Plant Food, 8 fl. oz.

    $17.99
  10. GroundWork 8 lb. 200 sq. ft. Natural All-Purpose Plant Food, 4-4-4
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    GroundWork 8 lb. 200 sq. ft. Natural All-Purpose Plant Food, 4-4-4

    $19.99
  11. Scotts 30.30 lb. 10,000 sq. ft. Green Max Lawn Food
    4.4 out of 5 stars with 66 reviews
    4.4 (66)

    Scotts 30.30 lb. 10,000 sq. ft. Green Max Lawn Food

    $99.99
  12. GroundWork 10 lb. All-Purpose Fertilizer, 10-10-10
    4.5 out of 5 stars with 55 reviews
    4.5 (55)

    GroundWork 10 lb. All-Purpose Fertilizer, 10-10-10

    $9.99

Reviews

Rating Snapshot

Select a row below to filter reviews.

5 starsstars

5
5 reviews with 5 stars.

4 starsstars

0
0 reviews with 4 stars.

3 starsstars

0
0 reviews with 3 stars.

2 starsstars

0
0 reviews with 2 stars.

1 starstars

0
0 reviews with 1 star.

Overall Rating

5.0
2 out of 2 (100%) reviewers recommend this product

Review this Product

Select to rate the item with 1 star. This action will open submission form.
Select to rate the item with 2 stars. This action will open submission form.
Select to rate the item with 3 stars. This action will open submission form.
Select to rate the item with 4 stars. This action will open submission form.
Select to rate the item with 5 stars. This action will open submission form.
Adding a review will require a valid email for verification
1 to 2 of 5 Reviews .
1 – 2 of 5 Reviews
Sort by
Most Recent
Tulsa, Ok
Review 1
5 out of 5 stars.

Great

a month ago
Highly recommend. Great for all bulbs (onion,tulips and more).

Yes, I recommend this product.

Central Texas
Review 1
5 out of 5 stars.

Food for planting bulbs for next season

3 years ago
Highly rated for planting bulbs, and guarantees great results for blooms. East to use granule.

Yes, I recommend this product.

3 Ratings-Only Reviews

Get the top deals, latest trends and more
Sign up for emails from Tractor Supply today.
First Name*
Last Name*
Email*

Customer Support

  • Order Status

  • Return Policy

  • Delivery Options

  • Tax Exemptions

  • Frequently Asked Questions

  • Contact Us

  • Recall Notices

  • Call:  

    (877) 718-6750

  • Mon - Sat: 7am - 9pm CT

  • Sun: 8am - 7pm CT

  • Closed Christmas Day

About Us

  • Who We Are

  • Investor Relations

  • Stewardship

  • Community

  • Military Support

  • Product Catalog

  • Tractor Supply Stores

  • .Pharmacy Verified Website

Work With Us

  • Careers

  • Sponsorship

  • Affiliate Program

  • Potential Vendor Partners

  • Vendor Information

  • Tractor Supply Media Network

Neighbor's Club

  • About

  • Rewards

  • Hometown Heroes

  • Frequently Asked Questions

  • Terms & Conditions

Credit Center

  • TSC Credit Card

  • Klarna

Stay Connected

Connect & Share with the Tractor Supply Community.

Tractor Supply App

Shop on the go with the Tractor Supply App

Learn More

Stay Connected

Connect & Share with the Tractor Supply Community.

Tractor Supply App

Shop on the go with the Tractor Supply App

Learn More
  • Order Status

  • Return Policy

  • Delivery Options

  • Tax Exemptions

  • Frequently Asked Questions

  • Contact Us

  • Recall Notices

  • Call:  (877) 718-6750

  • Mon - Sat: 7am - 9pm CT

  • Sun: 8am - 7pm CT

  • Closed Christmas Day

  • Who We Are

  • Investor Relations

  • Stewardship

  • Community

  • Military Support

  • Product Catalog

  • Tractor Supply Stores

  • .Pharmacy Verified Website

  • Careers

  • Sponsorship

  • Affiliate Program

  • Potential Vendor Partners

  • Vendor Information

  • Tractor Supply Media Network

  • About

  • Rewards

  • Hometown Heroes

  • Frequently Asked Questions

  • Terms & Conditions

  • TSC Credit Card

  • Klarna

Connect & Share with the Tractor Supply Community.

Shop on the go with the Tractor Supply App

Learn More
  • Privacy policy
  • Your Privacy Choices
  • Terms and Conditions
  • California Transparency Act
  • Legal Notices
  • Accessibility
  • Responsible Disclosure Statement
  • Surprise (Balance) Medical Billing Disclosure
  • Transparency in Coverage
  • Human Rights Policy
  • Vendor Code of Conduct
  • California Notice of Collection
  • Privacy Requests

© 2026, Tractor Supply Co. All Rights Reserved.