Mum Fertilizer
Support healthy foliage and a full seasonal flower display with fertilizer made for mums. Regular feeding through late summer helps plants stay vigorous as they build toward bloom season.
Mix it into your normal watering routine as directed for simple, consistent feeding during active growth.
Why You'll Love It
- Bloom Support Feeding through late summer is what fills a mum's dome with flowers.
- Healthy Foliage Supports healthy foliage under a heavy flower load.
- Steady Growth Keeps plants growing steadily into their fall display.
Made by growers
More than a bottle on a shelf.
- Talk to real plant people. The team that mixes the formula answers your email.
- Made in-house, in the USA. Every bottle mixed and filled by us, not a third party.
- We're growers, not resellers. We use this on our own plants before it ships.
- Bundle savings only here. Pair any two TPS formulas — your order ships free.
Mum fertilizer that promotes vibrant blooms and healthy foliage. Feeding through late summer is what fills the dome out.
How to Use Mum Fertilizer
| Method | Amount | How Often |
|---|---|---|
| Watering can (spring & summer) | 2 Tbs (30mL) per gallon of water | Apply every 1-2 weeks |
| Watering can (fall & winter) | Same dilution | Apply every 4 weeks |
| Hose end sprayer | Set dial to 1 oz (30mL) setting | Apply every 1-2 weeks in spring and summer |
| Leaf misting (optional) | 1 tsp per quart (32 oz) of water | Spray on leaves every 1-2 weeks |
Mix into your normal watering — no separate feeding routine needed. Potted mums dry out fast in fall sun and wilt quickly, so check them daily and feed as part of a thorough watering.
What's Inside
A 3-3.6-5.1 ratio for a plant that sets an enormous number of buds at once. Phosphate at 3.6% feeds that bud formation — a single garden mum can carry hundreds of flowers, and every one has to be initiated before it opens. Potassium leads at 5.1%, moving sugars into the buds and managing water pressure so the display holds for weeks instead of days. Nitrogen stays at a deliberate 3%, all nitrate — absorbed directly by roots, fast-acting with low burn risk — enough for the leafy framework built through spring and summer, restrained enough that plants stay compact instead of stretching and flopping open in the middle.
Beyond NPK: sea kelp (Ascophyllum nodosum) for natural growth compounds, plus calcium at an unusually high 2.1% and 0.75% magnesium, with iron, manganese, zinc, boron, and copper. Magnesium and iron are the two potted mums run short of first — nursery pots are packed tight with roots and watered heavily, which flushes both out, and the shortage shows as yellowing lower leaves while the top keeps budding.
Made For
Garden mums and hardy chrysanthemums grown as perennials, plus florist and cushion mums in nursery pots and fall containers — in beds, borders, porch displays, and mixed autumn plantings.
Problems It Solves
- Tall, floppy plants that split open in the middle
- Fewer buds than expected heading into fall
- Yellowing lower leaves on potted mums
- Perennial mums that come back weaker each year
FAQs
How often should I feed mums?
Add 2 Tbs (30mL) per gallon of water and apply every 1-2 weeks in spring and summer, dropping to every 4 weeks in fall and winter. A hose end sprayer set to the 1 oz (30mL) setting covers borders quickly. For perennial mums, spring and summer feeding is what matters — that's when the plant builds the framework that carries the fall display.
When should I stop pinching my mums?
Pinch the growing tips every few weeks from spring until around early July, then stop. Each pinch forces branching, which is what turns a few stems into a dense mound covered in buds. Pinching past midsummer removes the buds forming for fall and delays or cancels the display. No amount of feeding substitutes for pinching — the two together are what produce the classic mum shape.
Will my potted fall mums come back next year?
Often not, and it's usually not your fault. Most mums sold in fall are florist types bred for one spectacular season, and they're planted too late to root in before frost. Hardy garden mums planted in spring, given time to establish, and left standing over winter come back reliably. If you want perennial mums, buy them in spring from the perennial section rather than in September.
Why did my mums grow tall and flop over?
Two causes, both fixable. Not pinching: unpinched mums grow upright, get top-heavy in bloom, and split open from the center. Too much nitrogen: lawn fertilizer reaching the bed or a high-nitrogen all-purpose feed pushes soft, stretched growth. This formula holds nitrogen at 3% for that reason. Pinch through early July, feed at the label rate, and plants stay compact.
How do I make my mums bloom longer?
Water consistently — potted mums wilt fast in fall sun and every wilt costs you flowers — and keep them out of harsh afternoon heat. Deadhead spent blooms to keep the plant working on the remaining buds. Feeding through the season builds a plant with more buds to open in the first place, and the potassium in this formula supports the water regulation that holds petals firm.
When will I see results?
All the nitrogen is nitrate, absorbed directly by roots, so it starts working with the first watering. Expect greener, sturdier foliage within 1-2 weeks. Bloom results follow the plant's calendar: feeding through spring and summer is what produces the bud count you see in September and October, so for perennial mums the payoff lands with the fall display rather than in a few weeks.