Plant food that helps your garden thrive
Your veggies, flowers, and shrubs deserve more than generic fertilizer. Sunday plant food feeds your soil and your plants, so you'll get bigger blooms, juicier tomatoes, and plants that fill in faster and stronger all season.
Our favorite plant food right now? Sunday Organics Veggie and Tomato Garden Plant Food. It’s OMRI-listed and made from upcycled ingredients, delivering a 3-3-4 NPK blend your edibles will love.
Why choose Sunday plant food
We've made it easy to find the right garden fertilizer for whatever you're growing:
- WonderFert All-Purpose Liquid Garden Fertilizer: Indoor and outdoor use on flowers, veggies, trees, and shrubs. Covers 500 sq ft per bottle.
- Veggie and Tomato Organic Garden Fertilizer: Outdoor only. Dry 5-4-4 NPK that feeds for 4 to 6 weeks. OMRI-listed.
- Flower and Rose Organic Garden Fertilizer: Outdoor only. Dry 4-4-6 NPK for bigger blooms on flowers and roses.
- WonderFert Flower Garden Fertilizer: Indoor and outdoor use. Liquid 3-8-7 NPK with high phosphorus and seaweed extract for brighter blooms.
- All-Purpose Organic Garden Fertilizer: Outdoor only. Dry organic option for all plant types.
- Sunday All-Purpose Plant Food Mix: 6-3-7 NPK that encourages strong root growth.
We blend soy protein for slow-release feeding, rock phosphate to boost root growth and fruit production, and potash magnesium to help your plants handle whatever the season throws at them. Want it all in one box? Grab the Complete Veggie and Flower Fertilizer Kit or the Sunday Ultimate Garden Kit.
Tips for using plant food
Timing matters. Here's how to get the most from your garden fertilizer:
- Start in spring. Begin feeding once soil warms and growth begins. Keep feeding through fall.
- Match application to formula. Dry fertilizers should be reapplied every 4 to 6 weeks. WonderFert liquids follow the same schedule.
- Adjust for plant size. Sunday Organics liquids need more frequent feeding: every 1 to 2 weeks for mature plants, weekly for starters, every couple of days for seedlings.
- Avoid stressed plants. Hold off during heat waves or drought.
- Work dry fertilizer into soil. Mix granular formulas into the top few inches at planting time.
Feed your garden consistently and you'll see the results all season long.
Plant food FAQs
How often should I apply plant food to my garden?
It depends on the formula. Dry fertilizers should be reapplied every 4 to 6 weeks during the growing season. WonderFert liquids follow the same schedule. Sunday Organics liquids need more frequent application: every 1 to 2 weeks for mature plants, weekly for starters, every couple of days for seedlings.
What is the difference between liquid and granular garden fertilizer?
Liquid fertilizers absorb quickly for fast results, making them great for mid-season boosts. Granular fertilizers release nutrients slowly and work best mixed into soil at planting time. Go liquid for quick greening, dry for steady feeding.
Can I use the same plant food on vegetables, flowers, and trees?
Yes, for versatile formulas. A liquid option that covers flowers, vegetables, trees, and shrubs is a great starting point. Specialized formulas with tailored NPK ratios can deliver better targeted results for specific plants like tomatoes or roses.
When is the best time of year to start feeding my plants?
Start in spring once soil has warmed and plants show active growth. Continue through the growing season and into fall while plants are still producing. Avoid fertilizing during extreme heat or drought.
Is Sunday plant food approved for organic gardening?
Our Sunday Organics line is OMRI-listed for organic gardening. Our dry nutrient fertilizers are both OMRI-listed and CDFA-approved. These products are formulated without pesticides and include a blend of organic and essential nutrient ingredients.
Looking for a healthier lawn to go with your thriving garden? Explore a custom yard plan and get a personalized nutrient mix delivered to your door.