Why Your Garlic Grew as a Round (No Cloves) or Stayed Small — and How to Fix It
, by Earthwise Garlic, 4 min reading time
Garlic that formed rounds instead of cloves, or came out small? Learn the most common causes and exactly how to fix them for next season.
Pull garlic in July and find a single solid ball with no separate cloves — that's a round, and it's a vernalization problem. Pull garlic and find segmented bulbs but smaller than you hoped — that's a different issue. Both are common, both are fixable, and they have different causes.
Why Your Garlic Grew as a Round (No Separate Cloves)
A round happens when garlic never receives enough cold to trigger clove formation. Garlic has to go through a chilling phase — called vernalization — to develop the internal structure that divides the bulb into separate cloves. Without it, the plant grows normally above ground but stays as one undivided bulb underground.
This is the most common outcome for warm-climate growers. In USDA zones 8 and warmer, natural winter cold is often insufficient or too brief. Garlic planted directly into warm fall soil may never get the chill hours it needs.
The fix: Refrigerate your seed garlic for 6 to 8 weeks at 35 to 40 degrees F before planting. This simulates the cold period the soil isn't providing. Use a paper or mesh bag — not a sealed plastic bag — and keep it away from apples and bananas, which can trigger premature sprouting. See our full vernalization guide for step-by-step instructions.
Variety choice also matters. Softneck types like Inchelium Red have a lower vernalization requirement than most hardnecks and handle mild winters better. If you're in a warm climate and hardnecks consistently grow as rounds, switch to an artichoke softneck. Among hardnecks, Donostia Red Creole is the most tolerant of mild winters — it evolved in warm climates and has a lower chilling requirement than Porcelain or Rocambole types.
Rounds are not wasted. They're edible, they taste like garlic, and if you refrigerate them properly before planting next season they'll often produce full, cloved heads. Think of them as seed stock for the following year, not a failed harvest.
Why Your Garlic Cloves Stayed Small
If the bulb divided into cloves but they came out smaller than expected, the cause is usually one of four things.
Inconsistent spring watering. Most bulb size is built underground during April, May, and June. Garlic that runs dry during this window will be noticeably smaller at harvest regardless of how well everything else went. Aim for roughly 1 inch of water per week during active spring growth. Stop watering 2 to 3 weeks before harvest to let the wrapper skins tighten.
Small seed cloves. The size of the clove you plant sets the ceiling for the plant it can produce. Always plant the largest cloves from each bulb. Set the small inner cloves aside for cooking. Avoid soft, light, or damaged cloves.
Weed competition. Garlic doesn't compete well with weeds. Weeds that establish during April and May pull water and nutrients away from bulb development. Mulch immediately after planting and clear any weeds that push through early in spring.
Spacing too tight. Cloves planted closer than 6 inches apart reliably produce smaller bulbs. Give each plant room. Rows should be 12 inches apart.
Planting at the Wrong Time
Garlic planted too late doesn't have time to establish roots before winter, and root development affects how well the plant can absorb water and nutrients in spring. Planted too early in warm soil, it may push too much top growth before the cold sets in.
For most of the U.S., the planting window runs October through November. In the Pacific Northwest, late October to mid-November is the sweet spot. In warm-winter areas, late November through January is more appropriate after pre-chilling.
Common Questions
Why did my garlic grow as one big ball with no cloves inside? That's a round — a vernalization failure. The garlic didn't receive enough cold to trigger clove formation. Refrigerate seed garlic for 6 to 8 weeks before planting next season.
Can I plant rounds next season? Yes. Refrigerate them before planting and they will often produce normal cloved heads.
My garlic had cloves but they were very small. What went wrong? Most likely inconsistent spring watering, small seed cloves, weed competition, or tight spacing. All are fixable next season.
I'm in a warm climate and always get rounds. What should I plant? Try Inchelium Red (artichoke softneck) or Donostia Red Creole (hardneck). Both have lower vernalization requirements and perform well in mild-winter climates. Refrigerate before planting regardless.
Starting with quality seed garlic that's been grown and selected for replanting also makes a real difference. Browse our six varieties — all shipping now for fall planting. For the full step-by-step process, see our complete growing guide.